Blow-By Racing
04-17-2006, 09:13 PM
This is one of our new budget race cars.
We are building a NMRA Factory Stock Racecar.
This class is an intresting class. Here are the rules.
Class Overview
Factory Stock is designed for naturally aspirated small block 1979 and newer Ford Fox Chassis bodied and Ford powered vehicles including 2005-2006 Mustangs. Factory Stock entries are limited to 302, and 4.6L modular engine types. Engines are permitted a maximum of 313 cubic inches for 5.0L, and 291 for 4.6L. Factory Stock class will be held at all NMRA events during 2006 season.
Qualifying Information, Ladder Type, & Tree
All Run, NHRA Sportsman Ladder, Pro .400 tree, Heads-Up.
Accepted Products Deadline: NMRA will accept requests from manufacturers to have new products considered for addition to 2006 accepted lists only up until January 1, 2006. After this date, NMRA will consider manufacturer requests for new products for the 2007 season.
Base Weights:
ENGINE POWER ADDER BASE CI BASE WEIGHT
5.0L HO None 311 3,200
4.6 2V None 289 2,900
4.6 3V None 289 3,400
4.6 4V None 289 3,400
Maximum cubic inches––313 ci.
AOD Transmissions may deduct 50 pounds
Deduct 250 lbs for Ford OEM Stock 5.0 HO E7 heads
2-valve combinations with ported heads add 100 pounds
Note: 15 lbs/cu in penalty applies for cubic inches over weight break limit.
Note: All weights are with driver & rounded down to the five pound increment. Ex: A calculated weight of 3228 would be required to weigh 3225 with driver at scales.
Class Rules, FACTORY STOCK
1: ENGINE
1.1 COOLING SYSTEM
RADIATOR: OEM production-style or aftermarket radiator is required and must be mounted in stock location. Stock core support is required. Radiator must be stock length and height or larger.
Water pump: O.E.M. or aftermarket direct bolt on water pumps permitted. Water pump must be crank driven by the factory type six rib serpentine belt. Electric water pumps prohibited.
COOLING FANS: Any permitted. Water injection is prohibited.
1.2 Engine
ENGINE: Engine limited to 302W (5.0) and 4.6L modular engine types. 302 Windsor type engines may be used in any 1979 and newer Fox based chassis. 4.6L engines restricted to any 1994 and newer Mustang body style. Engine swapping permitted during event.
1.2a) ENGINE DRIVE BELT SYSTEM: Factory style 6 rib drive belt system required. Minimum crankshaft pulley diameter – 4 3/8-inch.
1.3 Exhaust
EXHAUST: All entries allowed to use tubular headers. Adapter plates to bolt headers to cylinder head prohibited. Exhaust must be directed out of car body, away from driver and fuel tank. All exhaust gases released from engine must pass through entire exhaust system.
1.3a) HEADERS & COLLECTORS: All entries required to use either a) stock OEM exhaust manifolds, or b) aftermarket “shorty” style tubular headers, maximum tubing size 1.625-inches (1-5/8-inch). A “shorty” header is defined as an aftermarket header that connects to the exhaust system at the factory header connections.
1.3b) EXHAUST TUBING/SIZE: Maximum exhaust pipe diameter – 2.5-inch up to gas tank, 3-inch from gas tank rearward (tailpipe).
1.3c) TAILPIPE & EXHAUST RULES: Full exhaust system required. Tailpipes must be in and exit in the factory location. Tailpipes must follow factory design, must go up over rearend housing and exit at rear valance.
1.3d) MUFFLER REQUIREMENTS: Commercially available (generally available through retail locations) mufflers required. A maximum of two (2) mufflers is allowed. A maximum of one (1) inlet and one (1) outlet is permitted. Mufflers may have a maximum of 2.5-inch inlet & outlet.
1.5 FUEL-DELIVERY SYSTEM
DELIVERY SYSTEM: Electric fuel pumps permitted. Pressure regulators, and any line size permitted. All fuel lines must originate and return to a single, non-segmented, fuel cell or OEM fuel tank. Fuel pump must shut off with a master electrical switch. Any method of artificially heating or cooling fuel prohibited (cool cans, ice, wet rags, Freon, etc.). A valve for removal of fuel (gasoline) during technical inspections is mandatory. Valve must be installed between carburetor/injection and regulator, and should be installed in such a manner that allows a cup to be placed to catch fuel removed from the line. Exit of valve should be capped or plugged in addition to being closed for added safety.
Aftermarket/fabricated fuel tank or cell permitted. Must be located in trunk area. If tank or fuel filler is inside trunk, a bulkhead of minimum .032” aluminum or .024” steel must be used between trunk and driver compartment, and tank must be vented to outside of car. When used, fuel cells must have a metal box protecting the part of the fuel cell that is outside the trunk floor. Non-metallic fuel cells or tanks must be grounded to frame. See NHRA General Regulations Section 1.5.
1.6 GASOLINE
GASOLINE: Gasoline as outlined here is the only acceptable fuel for use in this eliminator. The NMRA Racing Association reserves the right to check gasoline at any time during competition. Gasoline, as defined by the NHRA rulebook, is a mixture of hydrocarbons only. The average dielectric constant (D.C.) for the hydrocarbons that compromises gasoline is 2.025. This is defined as a reading of “0” on the fuel-check meter.
1.6a) SPEC FUEL: NMRA requires the use of one of the allowable NMRA spec fuels in this class. Mixing of fuels prohibited. Failure to pass fuel check is grounds for disallowance of the run during qualifying and disqualification from the event during eliminations. Fuel must pass color, fuel meter, specific gravity, chemical testing, and/or any other check as required by NMRA Technical Department.
1.9 NITROUS OXIDE
NITROUS OXIDE: Prohibited.
1.10 OIL SYSTEM
OILING SYSTEM: Wet sump oiling system required. Dry sump oiling systems prohibited. External oil pumps prohibited. Oil lines run outside engine block to feed oil galleries prohibited. Vacuum pump and/or evacuator system (header, or otherwise) prohibited. Stock OEM oil pan required for exact vehicle model year . Windage tray, crank scraper, etc. permitted.
1.12 SUPERCHARGER
SUPERCHARGERS: Prohibited.
1.15 BLOCK
Block: Any cast iron Ford type 302W permitted. Any cast iron or cast aluminum 4.6 based engine block permitted. Block must maintain Ford O.E.M. bore spacing, deck heights, and crankshaft spacing for engine type used. Deck spacers (extensions) prohibited. Main cap girdle permitted, but must only provide increased structural rigidity and may not incorporate oil control device, windage tray, or crank scraper.
1.16 ENGINE LOCATION/MOUNTS
Engine Location: Engine location may be altered from stock, however no part of engine or heads may contact firewall. Engine plates prohibited. Solid engine mounts permitted.
1.17 HEADS
GENERAL GUIDELINES:
302W Type Heads: Only commercially available cast iron cylinder heads permitted. Billet, one-off, custom and/or fabricated heads prohibited. Cylinder heads must be overhead valve single spark plug per cylinder design.
4.6 type Heads: Only commercially available cast aluminum or cast iron cylinder heads permitted. Billet, one-off, custom and/or fabricated heads prohibited. Cylinder head must be single spark plug per cylinder design.
1.17a) HEADS, PERMITTED: Only original manufacture, generally available heads, accepted by NMRA, permitted. External and internal modifications prohibited in port area. Spark plug placement and depth must remain stock. Billet, one-off, custom and/or fabricated heads prohibited.
1.17b) HEADS, MASS PRODUCED: Only mass-produced, commercially available, NMRA accepted, cast aluminum or cast iron Ford cylinder heads permitted. Low volume, one-off, cylinder heads prohibited.
1.17c) HEADS, BOLT PATTERN: Class is permitted standard bolt-pattern only for cylinder heads.
Maximum of 10 head fasteners per side in Ford O.E.M. location.
1.17d) HEADS, PORTING: Prohibited. (*Porting only permitted on 4.6L Ford OEM 2-Valve '96-'04 Cylinder Heads with 100 pound weight adder.) Runners and combustion chambers must retain OEM appearance. Final acceptance at the discretion of NMRA Technical Department.
1.17e) HEADS, WELDING/EPOXY: Prohibited.
1.17f) HEADS, VALVES: Maximum valve sizes for 302W heads is 1.850” Intake/ 1.550” Exhaust. Maximum valve sizes for 4.6L two valve heads are 1.850” Intake/ 1.452” Exhaust. Maximum valve sizes for 4.6L three-valve heads are 1.368" Intake and 1.514” exhaust. Maximum valve sizes for 4.6L four valve heads are 1.487” Intake/ 1.211” Exhaust. Valve stem size in guide area must be 11/32” for 302W heads, Valve stem size in guide area must be 0.274” for 4.6L heads. Undercut stems permitted. Aftermarket steel valve permitted, titanium/exotic valves prohibited. Bronze lined or replacement guides permitted.
1.17g) HEADS, MILLING: Permitted. See combustion chamber volume. Cylinder heads must maintain original production valve angles + or – 2 degrees.
1.17h) HEADS, PUSHROD SLEEVES: Prohibited.
1.17i) HEADS, COMBUSTION CHAMBER VOLUME: Minimum combustion chamber volume for 302W heads is 52.0 cc’s. Minimum combustion chamber volume for 4.6L 2-valve heads is 40.0 cc’s. Minimum combustion chamber volume for 4.6L 3-valve heads is tba cc. Minimum combustion chamber volume for 4.6L 4-valve heads is 42.0 cc’s. ** Minimum combustion chamber volume for 4.6L 4-valve heads will change to 49.0 cc for 2007 racing season with a possible adjustment in minimum weight for competitive balance purposes.
1.17j) HEADS, PORT PLATES/ADAPTER PLATES: Intake and/or exhaust port plates/adapter plates prohibited.
1.17k) VALVE JOB: Any valve job permitted.
Permitted Cylinder Head List, Parts Number: These are the only permitted cylinder heads and part numbers for competition in this category. If your cylinder head is not on this list, it is prohibited.
1) Stock Ford OEM 5.0 HO Cast Iron Cylinder Heads. (*Deduct 250#)
2) FRPP/SVO GT-40 Cast Iron Cylinder Heads
3) FRPP/SVO GT-40P Cast Iron Cylinder Heads
4) Stock Ford OEM 4.6 Cylinder Heads**
5) FRPP/SVO 4.6 2-valve**
Note: Stock factory OEM heads are those cylinder heads that are factory production line installed on production vehicles as recognized by NHRA.
**Porting permitted,
1.18 VALVETRAIN
1.18a) CAMSHAFT: Stock lobe 5.0 HO or 4.6L camshaft required. Specified duration, lift, and lobe separation required.
5.0 HO: Camshaft maximum lobe lift is .278”; Minimum lobe lift is .270. Maximum valve lift at the retainer not to exceed .480”.
Lobe duration is checked at the below specified lobe lifts.
Lift Maximum duration
.050” 211
.100” 179
.150” 148
.200” 115
Maximum lobe separation angle – 117 degrees
Minimum lobe separation angle – 115 degrees
4.6L 2-VALVE: Maximum valve lift is .510 intake, .545 exhaust (checked at retainer); Minimum lobe lift is TBA (To Be Announced). Maximum lobe duration TBA (To Be Announced).
4.6L 3-VALVE: Maximum valve lift is TBA intake, TBA exhaust (checked at retainer); Minimum lobe lift is TBA (To Be Announced). Maximum lobe duration TBA (To Be Announced). Contact NMRA tech if you intend to compete with a 3-valve.
4.6L 4-VALVE: Maximum valve lift is .395” intake, .395” exhaust (checked at retainer); Minimum lobe lift is TBA (To Be Announced). Maximum lobe duration TBA (To Be Announced).
For 5.0 HO applications, valve lift will be checked at retainer with pushrod & rocker as run, using a blocked up OEM Ford hydraulic roller lifter, at zero lash. Durations/Lobe Separations are checked with camshaft & hydraulic roller lifter in block. Duration/Lobe separation is measured at the crankshaft. Lobe lift is measured at the hydraulic roller lifter.
1.18b) LIFTERS: Functional, unmodified Ford OEM stock hydraulic roller lifters required.
Any modification to the clip, pushrod cup, piston, spring, or lifter body is not permitted. Hydraulic roller lifters may not be plugged or bottomed.
1.18c) LIFTER BORES: Bushed lifter bores permitted.
1.18d) VALVE LOCK: Steel valve locks required.
1.18e) RETAINERS: Steel retainers required.
1.18f) STUD & GUIDE PLATES: Stud and guide plate conversions permitted.
1.18g) CAMSHAFT DRIVE SYSTEM: Stock type camshaft drive system required.
1.18h) ROCKER ARMS: Stud or pedestal mount rocker arms accepted. Shaft rocker prohibited. Stud girdle is prohibited.
1.18i) REV KITS: Prohibited.
1.18j) PUSHRODS: Steel is only accepted material. Composite pushrods prohibited. 5/16 maximum outside diameter.
1.18k) SPRINGS: Single or dual steel valve springs required. Maximum valve spring pressure “on the seat” is 160 pounds for 5.0L combinations.
1.19 CARBURETORS
CARBURETORS: Prohibited.
1.20 FUEL INJECTION
Fuel Injection: OEM Ford EEC-IV or EEC-V engine control computer system required. NMRA accepted “plug-in” chips and EEC computer “add-ons” permitted. Ford EEC-IV or Ford EEC-V Speed density permitted for all combinations. OEM engine control computer must be functional.
1.20a) THROTTLE BODY: Only mass produced, commercially available throttle bodies permitted. Single throttle body in stock location required. Maximum throttle body size is 2.755” (70mm) for 5.0 & 4.6 2V & 3V applications. 4.6 4V must use unmodified, OEM-supplied stock throttle body. EGR spacer is not required.
1.20b) MASS AIR SIZE & TYPE PERMITTED: Commercially available, complete, mass produced mass air sensors required on all combinations (sample tube and elements required), including speed density equipped. Mass air sensor is not required to function. Mass air sensor must be standard draw through design. Maximum size of mass air sensor – 3.150” (80mm).
1.20c) FUEL INJECTOR SIZES & TYPES: Any size/type fuel injector permitted. Maximum of 8 fuel injectors located in stock location.
1.20d) AIR CLEANER: Commercially available, mass produced, unmodified, automotive type air cleaner required. All incoming air must pass through air cleaner.
1.20e) EFI ADD-ONS:
If your add-on computer is not on this list, it is prohibited.
1) FRPP Extender & FRPP EPEC
2) Anderson Ford PMS
3) Autologic Plug-in EEC Chip
4) Superchips Plug-in EEC Chip
5) Hyperchip Plug-in EEC Chip
6) Diablo Plug-in EEC Chip
7) EEC Tuner
8) SCT Xcalibrator & XCAL2
9) Diablo Predator
1.21 INTAKE MANIFOLD
INTAKE MANIFOLD: Only NMRA accepted commercially available, mass-produced intake manifolds permitted. Any height spacer permitted between EFI upper and lower intakes only. All runners must be completely separated from each other runner. Spacer or gasket must not create a 'plenum', or any other means for air to pass between runners. 4.6L 4V combinations may remove secondary runner controls. 2V engines only may use aftermarket as-cast throttle-body to intake manifold plenums.
1.21a) PORTING: Prohibited.
1.21b) WELDING/EPOXY: Prohibited.
1.21c) PERMITTED INTAKE MANIFOLD LIST, PART NUMBERS:
If your intake manifold is not on this list, it is prohibited.
1) Stock OEM Mustang-specific 5.0 EFI Intake – Upper & Lower
2) Stock OEM Mustang-specific 4.6 2V Intake – Upper & Lower
3) Stock OEM Mustang-specific 4.6 3V Intake – Upper & Lower
4) Stock OEM Mustang-specific 4.6 4V Intake – Upper & Lower
5) Ford Explorer – Upper & Lower
6) SVT Cobra EFI – Upper & Lower, PN# M 9424 D51, M 9424 E51
7) SVO 4.6 2-Valve – Upper & Lower
8) Bullitt Ford O.E.M. 4.6L 2-valve intake
1.22 SOLENOIDS
SOLENOIDS: Prohibited.
1.23 TURBOCHARGERS
TURBOCHARGER: Prohibited.
1.24 AFTERCOOLER/INTERCOOLER
AFTERCOOLER/INTERCOOLER: Prohibited.
1.25 POWER ADDERS
POWER ADDERS: Prohibited.
Water injection is prohibited.
1.26 CRANKSHAFT
CRANKSHAFT: Stock or aftermarket steel crankshaft required. Stock 3.000” stroke, +/- .010”, mandatory for 302W applications. Stock 3.543” stroke, +/- .010”, mandatory for 4.6L applications. Minimum rod bearing shaft diameter is 2.000”. Modifications to crankshaft permitted.
Composite and/or multi-piece crankshafts prohibited.
1.27 CONNECTING RODS
CONNECTING RODS: Stock or aftermarket steel connecting rods required. Composite connecting rods prohibited. 302W connecting rods must be 5.090”, +/- .025”, center to center length. 4.6L connecting rods must be 5.933”, +/- .025”, center to center length. Connecting rods may be of any design. Connecting rods may be free floating or press fit.
1.28 HEAD GASKETS & QUENCH AREA
HEAD GASKETS & QUENCH AREA: Pistons may be below block, even with deck, or above block at top dead center. Any type single head gasket permitted.
1.29 PISTONS, PINS, RINGS
PISTONS, PINS, RINGS: Stock or aftermarket piston permitted. Piston must be flat top or dish design. The use of 3 rings is required. Gas porting of pistons prohibited (side or top). Wrist pins for 302W based applications must be a minimum of .912” diameter. Wrist pins for 4.6L applications must be a minimum of .866” diameter. Valve reliefs optional.
1.30 BOOST CONTROLLERS
BOOST CONTROLLERS: Prohibited.
1.31 WASTEGATE & PRESSURE REGULATOR
WASTEGATE & PRESSURE REGULATOR: Prohibited.
1.32 VISIBLE COATINGS
Visible coatings are permitted where lubricants are present. Visible piston coating above the top ring is permitted. Visible coating of cylinder head runners, combustions chambers, and/or intake manifold runners/plenums prohibited. Visible coating of any external surface of cylinder head or intake manifold prohibited, including, but not limited to runners and/or plenums.
1.33 “O” Ringing of block
“O” RINGING OF BLOCK: Permitted.
2: Drivetrain
2.3 CLUTCH
CLUTCH: Standard Ford OEM factory-replacement-style single disc diaphragm clutch required, 10.0” minimum diameter. Steel pressure plate minimum of 10.0-inch in diameter is required. Aluminum may not be utilized in pressure plate. Adjustable pressure plates,and/ or long-style pressure plates are prohibited. Clutch operation must be operated using factory style cable mechanism. 2005-up Mustangs using hydraulic clutch actuation may retro-fit ’79-’04 cable style mechanism.
2.4 DRIVESHAFT
DRIVESHAFT: Driveshaft required to be only steel or aluminum regardless of origin or manufacturer.
2.11 REAREND
REAREND: Ford 7.5-inch,8.8-inch, or 9-inch rearend required. Rearend must be stock width (axle flange to flange) for model year of car +/- 1.0-inch.
GEARS: Gears must be full weight, factory OEM-style replacement and may not be lightened, milled, or profiled. The only exception to this is the Motive Gear AX-series which is permitted Ratio may be different than stock. Ratio restricted to 3.90 ratio or numerically lower for 4.6 4-valve Modular combinations. 3-valve combinations will be permitted any gear ratio until the competitive balance of the category requires a limitation.
AXLES: Aftermarket axles may be utilized. Gun-drilling prohibited. Flanges for axle must be solid and one-piece. Pocket milling and lightening prohibited.
DIFFERENTIAL: Spools and mini-spools prohibited. Commercially available, OEM production, standard street-style differential required. Approved aftermarket differentials include: Ford Traction-loc, Auburn Standard, Auburn Pro, Eaton, Detroit Locker, Detroit TruTrac. Electronic or air-controlled locking mechanisms prohibited. All components utilized in rearend must be steel.
2.12 MANUAL TRANSMISSIONS
MANUAL TRANSMISSION: Only specified O.E.M. or specified aftermarket transmissions permitted. Overdrive gear(s) may be removed. Clutchless models prohibited. Any gear change must occur from direct action by the driver. Pneumatic, electric, hydraulic, etc. shifters prohibited. Pro-shifting is permitted. All transmissions must use either a) as produced, as supplied (unmodified) OEM gears and/or gear sets for transmission used or b) specified stock replacement helical cut gears and/or gear sets in the exact form as submitted for consideration and accepted by the NMRA. Gears and/or gear sets may not be utilized from other models (i.e. T-56 gears may not be used in T-5 transmissions). Transmission used is required to have a gear ratio in all gears as offered by the transmission used. Welding or grafting part of one countershaft to part of another counter shaft will not be accepted.
2.12a) PERMITTED MANUAL TRANSMISSIONS:
Tremec T5, Tremec T45, Tremec T56, Tremec TR3550, Tremec TR3650, Tremec TKO, Tremec TKO-500, TKO-600, & Tremec TKOII.
2.12b): SHIFTER: Must be commercially available bolt on shifter. Must have a single handle and attach to the transmission using only a) the OEM type mounting bolts in the OEM mounting holes and b) must use a single pivot-ball type shifting arm.
2.12c) PERMITTED GEAR RATIOS:
Tremec T5(a) - 3.35, 1.99, 1.33, 1.00
Tremec T5(b) - 2.95, 1.94, 1.34, 1.00
Tremec T45 - 3.37, 1.99, 1.33, 1.00
Tremec T56 (a) - 2.66, 1.78, 1.30, 1.00
Tremec T56 (b) - 2.97, 2.07, 1.43, 1.00
Tremec TR3550 - 3.27, 1.98, 1.34, 1.00
Tremec TR3650 - 3.38, 2.00, 1.32, 1.00
Tremec TKO/TKOII - 3.27, 1.98, 1.34, 1.00
T5 w/G-Force PN#5000 Dog Ring - 2.92, 1.99, 1.34, 1.00
T5 w/G-Force PN#5000 Syncro - 2.94, 1.94, 1.34, 1.00
Tremec TR3550/TKO/TKOII w/Liberty Gear PN#LG3500 - 2.92, 1.95, 1.34, 1.00
Tremec TKO-500 - 3.27, 1.97, 1.34, 1.00
Tremec TKO-600 - 2.87, 1.89, 1.28, 1.00
T5 w/G-Force PN#5000 Dog Ring – 3.22, 1.99, 1.34, 1.00
2.12d): SHIFTER: Must be commercially available bolt on shifter. Must have a single handle and attach to the transmission using only a) the OEM type mounting bolts in the OEM mounting holes and b) must use a single pivot-ball type shifting arm.
2.12e) FLYWHEEL: Steel or aluminum flywheel accepted.
2.13 PURPOSE BUILT TRANSMISSIONS
PURPOSE BUILT TRANSMISSIONS: Prohibited.
2.14 AUTOMATIC TRANSMISSIONS
(OEM American transmissions or replicas of OEM American transmissions that use planetary gears)
AUTOMATIC TRANSMISSIONS: Ford A.O.D. Ford A.O.D.E., 5R55S, and 4R70W transmissions with torque converter are required. Transbrake permitted. Overdrive gear may be removed. Pneumatic, electric, hydraulic, etc. shifters prohibited.
3: BRAKES & SUSPENSION
3.1 BRAKES
BRAKES: OEM brake system for model year required front and rear. Brake system may be cross-bred as necessary from different models (i.e., GT brakes may be installed on a Cobra).. Must have four wheel operating brakes. Brake parts or rotors cannot be drilled or lightened. Vehicles originally equipped with rear drum brakes may retrofit newer-style Ford OEM rear disk brakes. Manual conversions permitted. Automated brakes or any type of traction control is prohibited. Application and release of brakes must be a function of the driver’s foot. Line loc permitted on front wheels only. Any other electric, pneumatic, or hydraulic device in the system is prohibited.
3.2 SHOCK ABSORBERS
shock absorbers: each vehicle in competition must be equipped with one operative shock absorber for each sprung wheel. Shock absorbers may be either hydraulic or friction type, securely mounted and in good working order. Shocks must be stand alone and may not be adjustable during run via any means.
3.3 STEERING
STEERING: Power assisted aftermarket steering system in stock location mandatory. Power steering pump must be fully functional.
3.4 Suspension, FRONT
FRONT SUSPENSION:
3.4a) K-MEMBERS: Factory unaltered O.E.M. K-Member required and must attach to the chassis using only the original eight (8) factory O.E.M. type mounting bolts in the factory mounting location. No part of the K-member may be permanently attached to the chassis. K-member may not be modified in oil pan area to allow oil pan enlargement or removal.
3.4b) STRUT TOWER: Factory strut tower required. No modifications may be made to the strut towers other than the following: 1) roll bar or roll cage may be welded to the strut towers for safety purposes.
3.4c) CONTROL ARMS: OEM control arms required which are attached in stock location.
3.4d) SHOCKS/STRUTS: Aftermarket struts and shocks permitted provided stock attachment location used. Shocks must be stand alone and may not be adjustable during run via any means.
3.4e) SPRINGS: Aftermarket springs permitted in OEM location.
3.4f) COIL OVERS: Coil over shocks and struts prohibited.
3.4g) CAMBER PLATES: Bolt on type camber plates permitted. Bolt on plate may be tack welded to strut tower to prevent movement (1/4” max. length), otherwise welding prohibited. Camber plate may only be attached to top flat portion of strut tower. Attachment to any other structure prohibited.
3.4h) SPINDLES: Only stock OEM Ford spindles are accepted. Aftermarket spindles are not permitted in Factory Stock. Any year OEM 1979-up Ford spindle permitted on 1979-2004 Mustangs.
3.4i) 2005-up MUSTANG: 2005 & later Ford Mustang bodies are required to utilize stock OEM 2005-up front suspension type and design. OEM 2005-up control arms & spindles are required. OEM-style coil-over type struts & springs are required. Retro-fitting of ’79-’04 suspension components prohibited. All other suspension rules apply.
3.4 SUSPENSION, REAR
REAR SUSPENSION: Stock type suspension, including stock 4-link, and traction bars permitted. Rear coil-over shocks prohibited. Stock Type Suspension: Stock type suspension may utilize aftermarket, direct replacement type suspension components including aftermarket replacement shocks, springs (in factory location), and/or control arms.
3.4a) 3-LINK and 4-LINK: Stock or stock-type direct-replacement 3-link and/or 4 links required. All stock type 3 or 4 link suspensions must maintain stock lateral angles and attachment points, but may be moved up or down on rear axle. Retrofitting and/or cross-breeding of 3-link and 4-link components prohibited. 3.4b) LADDER BARS: Prohibited.
3.4c) REPLACEMENT CONTROL ARMS: Replacement aftermarket O.E.M. style upper and lower control arms permitted. Control arms may use any type bushing, bearing, or rod end. Control arms may be adjustable to any length.
3.4d) PANHARD BARS: Panhard bars prohibited on 2004 & earlier body styles. Permitted on 2005-up.
3.4e) SWAY BARS & AIR BAGS: Factory rear sway bars required for model year. Must be bolted to control arms in OEM mounting fashion only. Aftermarket sway bars prohibited. Conventional-type air lift bag may be located in right rear spring only.
3.4f) TORQUE ARMS: Prohibited.
3.4g) REAR SHOCKS & SPRINGS: O.E.M. or aftermarket style shocks & springs required in stock location. Coil-over shocks & springs prohibited. Shocks must be stand alone and may not be adjustable during run via any means.
3.4h) TRACTION BARS: Bolt on traction bars with permanent (welded or bolted) rear end mount and rubber snubber (or rubber bushing with permanent mount) on chassis side permitted.
3.4i) 2005-up MUSTANG: 2005 & later Ford Mustang bodies are required to utilize stock OEM 2005-up rear suspension type and design, including OEM-style 3-link setup. OEM or aftermarket replacement 2005-up control arms, shocks & springs are required in factory location. Retro-fitting of ’79-’04 suspension components prohibited. All other suspension rules apply.
3.4j) TORQUE BOXES: The Wild Rides “S” Box has been deemed an acceptable OEM Fox-body torque box replacement when installed in the OEM location as per Wild Rides official instructions. The only acceptable control arm mounting location for the upper control arms is the middle hole on the “S” box, which is the same as the stock OEM mounting location.
3.6 WHEELIE BARS
WHEELIE BARS: Prohibited.
4:FRAME
4.4 FRAME
FRAME: Stock, unaltered frame rails required in front subframe and rear subframe. Subframes on unibodied cars may be joined under car. Maximum size material to be used; 2x3x1/8 inch rectangular tubing or 1 5/8 O.D. inch round tubing (.118MS or .083CM). If connector protrudes through floor, floor must be completely welded to connector.
4.5 GROUND CLEARANCE
GROUND CLEARANCE: Minimum 4 inches from front of vehicle to 12 inches behind centerline of front axle; 3 inches for remainder of vehicle, except oil pan and exhaust headers.
4.12 WHEELBASE
WHEELBASE: Entries must retain stock wheelbase + or - 1 inches of stock. Maximum variation from left to right and front to back is 1 inch.
5: tires & wheelsg
5.1 Tires
TIRES - FRONT: D.O.T. Radial tires required. Front tires must have a minimum tread width of 4.5 inches.
TIRES – REAR: Accepted street-type D.O.T. Radial tires are required. Drag radial tires must be suitable and designed for street use. Tire tread may not extend outside fenders. Tire shaving is prohibited. The following sidewall designation D.O.T. drag radial tires are the only permitted: 275/50/15; 275/60/15; 275/40/17. Slicks & wrinkle wall tires are prohibited.
5.1a) Permitted street-type D.O.T. radial tire list:
· BFGoodrich Comp T/A Drag Radial
· BFGoodrich G-force T/A Drag Radial
· Nitto NT555R Drag Radials
· Also accepted: any approved radial-construction tire with a D.O.T. tread wear rating of 180 or greater that fits all other criteria and sizing.
5.2 WHEELS
WHEELS: Spindle-mount front wheels prohibited.
6: INTERIOR
6.1 INTERIOR
Interior, GENERAL: Must maintain stock appearance; including factory OEM dashboard, headliner, & steering column cover. Heater/air conditioners may be removed.
6.4 CARPET
CARPET: Floor and tunnel where visible must be upholstered or carpeted. Headliner required.
6.5 SEATS
SEATS: Upholstered OEM or aftermarket upholstered seats (2) in stock location is required. Rear seat may be removed; area must be carpeted or upholstered.
6.6 DOOR PANELS
DOOR PANELS: Door panels must be covered and stock appearing.
6.7 STEERING COLUMN
STEERING COLUMN: Stock O.E.M. steering column required. Removable steering wheel permitted.
6.8 GAUGES
GUAGES: Aftermarket gauges may be installed in factory dash.
6.9 PEDALS/PEDAL LOCATION
PEDALS/PEDAL LOCATION: Stock type pedals, linkage, and location required.
7: Body
BODY: Vehicle must retain original or NMRA accepted appearances and profiles for year and make of body. Original O.E.M. body shell (unibody structure from firewall to taillight panel) must be intact. Only 1979 & newer Fox based Ford body styles, including 2005-up Mustangs, permitted. Lightweight body parts restricted to hood. Hood must be hinged or lift off. Deck lid must be hinged, lift off deck lids prohibited. Body must be finished and painted. Alterations or aerodynamic modifications such as “chopped tops”, “channeling”, “sectioning”, “shortening” or “scaling down” prohibited. If a convertible top is used as an entry the use of ANY mechanism under or above the convertible top is not permitted. Ex: Building a cover that would be located above or below the convertible top, using straps below or above the convertible top, etc. Convertible top needs to be operational.. Convertible entries must compete with top up.
7.1 ADVERTIsING
GRAPHICS: Graphics (for advertising or creative purposes) permitted on entire body, including doors, hood, rear quarter panels, front fenders, wing, etc.
CONTINGENCY DECALS: In order to be eligible for NMRA official contingency program, all contingency decals are required to appear only on the rear quarter windows or rear window in a clear and organized fashion. Contingency decals may not be overlapped or modified. Other decals and sponsorship (non-contingency) may appear on bodywork, front end, and on windows.
NMRA REQUIRED DECALS: The following decals are required for competition in NMRA events.
· NMRA Windshield Decal – must be installed on top of windshield. This NMRA decal must be the only decal on top of windshield. Other vehicle sponsor decals may be placed at base of windshield.
· NMRA 2006 Drag Racing Series “Side” Decals – must be installed on each side of vehicle on quarter windows.
· Class Sponsor Decal – class sponsor decal must be installed on base of windshield on the passenger side.
· Permanent Numbers – permanent numbers are required for competition in this class. Must be on front, rear, and both side windows.
7.2 SPOILERS
Rear SPOILER: Rear spoilers permitted, may not extend more than 26 inches from the transition point with the body to the rear most portions. Rear spoiler may not be molded into body (Pro Mod Style).
Spoilers must be stationary during entire run. A positive locking device to prevent movement required. Spring loaded spoilers prohibited. Spoiler spill plates (if used) may be a maximum of 12” in height.
7.5 FIREWALLS
Firewall: Stock, unaltered firewall required.
7.6 FLOOR/TRUNK PAN/TRANSMISSION TUNNEL
FLOOR: Stock, unaltered floor-pan, except for through the floor sub frame connectors, required from firewall to back bumper. Transmission tunnel must remain stock & unaltered. Removable floor-pan sections and/or transmission tunnels prohibited. Only spare tire well may be removed/replaced all other rear floor pan and trunk pan must be intact.
7.7 HOOD/SCOOP
Hood/Scoop: OEM or aftermarket hood permitted. Forward mounted hood scoops must be closed during competition. Cowl induction hoods restricted to a maximum of 5 inches as measured from the hood surface next to the scoop to the top of the scoop along the entire scoop. The entire induction system must be completely covered by hood. Hood must be attached separately in a conventional manner and must be lift off or bolt on.
7.9 WINDSHIELDS/WINDOWS
Windows: O.E.M. safety glass required. Driver and passenger windows must be closed during racing. Windows must be operative. NHRA-approved Lexan may be used to replace OEM sunroof glass and OEM T-Top glass, when installed in an NHRA-approved manner.
7.10 BUMPERS
Bumpers: not Applicable. License plate frame holders are not permitted to extend beyond flat surface of front bumper. No body components, bumper add-ons, or body kits are permitted to be added to the vehicle with the intent of increasing the frontal distance of the bumper for the purposes of breaking the infrared beams.
7.11 FENDER SPLASH PANS
Fender Splash Pans: Full, factory OEM sheet metal inner fenders required.
7.12 GRILLE
GRILLE: Stock grille required. Blocking of grille to prevent air passage is prohibited.
7.13 WHEELWELLS
INNER WHEELWELLS: Stock inner wheel wells required, may not be sectioned or replaced.
OUTER FENDERS: Leading and trailing edges of outer fenders may be trimmed for tire clearance, maximum 2”.
7.14 RAM AIR/ENGINE AIR PANS
Ram Air: Commercially available ram-air unit permitted. Headlights, turn signals, or hazard lights may not be removed/modified for air induction.
7.15 DOORS
Doors: Driver and passenger doors must be functional and operable from inside and outside of vehicle.
7.16 AERODYNAMICS
AERODYNAMICS: Taping of any body parts, seams, or front end prohibited. Removal of side mirrors prohibited. Head light covers permitted. Fog light covers permitted.
7.17 BODY KITS
BODY KITS: Only accepted, commercially available aftermarket body kits permitted. Filled-in lower valance prohibited, whether OEM or commercially available aftermarket. Blocking any portion of lower valance area (in front of behind valance) with Plexiglas or other materials prohibited.
7.18 COWL AREA
COWL AREA: Cowl area of vehicle must be unaltered.
7.19 FRONT FENDERS/FRONT FASCIA
FRONT FENDERS/FRONT FASCIA: Stock or stock replacementfront fenders and front fascia required (see section 7.17.) Filled-in lower valancewhether OEM-modified or as-supplied aftermarket valance, prohibited. May not be one-piece front end. Hole(s) in front bumper prohibited.
8: Electrical
8.1 BATTERY/CHARGING SYSTEM
BATTERY: Battery may be located in any part of vehicle. Only a single battery may be present in the vehicle during competition. Charging systems must be functional and crank driven by the factory style 6 rib serpentine belt.
8.3 Ignition
IGNITION: Any battery operated ignition permitted. Distributor drive system must be stock O.E.M. as produced.
8.5 STARTER
STARTER: All entries must be self-starting with on-board starter in OEM location.
9: SUPPORT GROUPS
Bracket racing aids such as optical sensors, delay boxes, stutter boxes, etc. prohibited. Throttle stops prohibited. The application or use of any device, mechanical or electronic, that permits the driver to ascertain the position of their vehicle in relation to the starting line is prohibited.
9.2 OnBoard Diagnostics/Data Recorders
ONBOARD DIAGNOSTICS/DATA RECORDERS: External data recorders & data loggers are prohibited.
Wide band oxygen sensors and recorders are prohibited.EFI systems if standard equipped are permitted to record engine functions only of the vehicle. Playback tachometers permitted including those that record driveshaft RPM. Any wiring monitoring engine or drive train functions other than those specifically permitted are prohibited. Laptops prohibited in vehicle during competition.
9.8 TOW VEHICLES
TOW VEHICLES: Vehicles may not be towed in or to staging lanes. Vehicles may not be towed from the return road. Vehicle may be towed from scales.
10: DRIVER
10.4 CREDENTIALS
CREDENTIALS: See general regulations.
11: CLASS & SAFETY REQUIREMENTS
It is the participant’s responsibility to familiarize oneself with the class requirements as found in the 2006 NMRA rulebook and the safety requirements as found in the 2006 NHRA rulebook.
The participant agrees that the participant bears the ultimate responsibility at all times to ensure the safety of participant’s vehicle and to ensure that participant complies with all applicable NHRA & NMRA rules. The participant agrees that participant is in the best position to know about the construction and operation of participant’s vehicle, equipment, and clothing, and whether there has been compliance with all applicable NHRA & NMRA rules.
12: Street-Legal Requirements
Headlights and tail lights for year & make of body used mandatory. Head lights & tail lights required to be functional.
14:RULES ADJUSTMENTS, MID SEASON LOG
Date: Adjustment:
None at this time.
AND THESE CARS ARE GOING MID TO LOW 11'S
Here is the picture of our budget race car.
http://i52.photobucket.com/albums/g35/MaxPowerAutosports/P1010102.jpg
http://i52.photobucket.com/albums/g35/MaxPowerAutosports/P1010101.jpg
http://i52.photobucket.com/albums/g35/MaxPowerAutosports/l.jpg
We are building a NMRA Factory Stock Racecar.
This class is an intresting class. Here are the rules.
Class Overview
Factory Stock is designed for naturally aspirated small block 1979 and newer Ford Fox Chassis bodied and Ford powered vehicles including 2005-2006 Mustangs. Factory Stock entries are limited to 302, and 4.6L modular engine types. Engines are permitted a maximum of 313 cubic inches for 5.0L, and 291 for 4.6L. Factory Stock class will be held at all NMRA events during 2006 season.
Qualifying Information, Ladder Type, & Tree
All Run, NHRA Sportsman Ladder, Pro .400 tree, Heads-Up.
Accepted Products Deadline: NMRA will accept requests from manufacturers to have new products considered for addition to 2006 accepted lists only up until January 1, 2006. After this date, NMRA will consider manufacturer requests for new products for the 2007 season.
Base Weights:
ENGINE POWER ADDER BASE CI BASE WEIGHT
5.0L HO None 311 3,200
4.6 2V None 289 2,900
4.6 3V None 289 3,400
4.6 4V None 289 3,400
Maximum cubic inches––313 ci.
AOD Transmissions may deduct 50 pounds
Deduct 250 lbs for Ford OEM Stock 5.0 HO E7 heads
2-valve combinations with ported heads add 100 pounds
Note: 15 lbs/cu in penalty applies for cubic inches over weight break limit.
Note: All weights are with driver & rounded down to the five pound increment. Ex: A calculated weight of 3228 would be required to weigh 3225 with driver at scales.
Class Rules, FACTORY STOCK
1: ENGINE
1.1 COOLING SYSTEM
RADIATOR: OEM production-style or aftermarket radiator is required and must be mounted in stock location. Stock core support is required. Radiator must be stock length and height or larger.
Water pump: O.E.M. or aftermarket direct bolt on water pumps permitted. Water pump must be crank driven by the factory type six rib serpentine belt. Electric water pumps prohibited.
COOLING FANS: Any permitted. Water injection is prohibited.
1.2 Engine
ENGINE: Engine limited to 302W (5.0) and 4.6L modular engine types. 302 Windsor type engines may be used in any 1979 and newer Fox based chassis. 4.6L engines restricted to any 1994 and newer Mustang body style. Engine swapping permitted during event.
1.2a) ENGINE DRIVE BELT SYSTEM: Factory style 6 rib drive belt system required. Minimum crankshaft pulley diameter – 4 3/8-inch.
1.3 Exhaust
EXHAUST: All entries allowed to use tubular headers. Adapter plates to bolt headers to cylinder head prohibited. Exhaust must be directed out of car body, away from driver and fuel tank. All exhaust gases released from engine must pass through entire exhaust system.
1.3a) HEADERS & COLLECTORS: All entries required to use either a) stock OEM exhaust manifolds, or b) aftermarket “shorty” style tubular headers, maximum tubing size 1.625-inches (1-5/8-inch). A “shorty” header is defined as an aftermarket header that connects to the exhaust system at the factory header connections.
1.3b) EXHAUST TUBING/SIZE: Maximum exhaust pipe diameter – 2.5-inch up to gas tank, 3-inch from gas tank rearward (tailpipe).
1.3c) TAILPIPE & EXHAUST RULES: Full exhaust system required. Tailpipes must be in and exit in the factory location. Tailpipes must follow factory design, must go up over rearend housing and exit at rear valance.
1.3d) MUFFLER REQUIREMENTS: Commercially available (generally available through retail locations) mufflers required. A maximum of two (2) mufflers is allowed. A maximum of one (1) inlet and one (1) outlet is permitted. Mufflers may have a maximum of 2.5-inch inlet & outlet.
1.5 FUEL-DELIVERY SYSTEM
DELIVERY SYSTEM: Electric fuel pumps permitted. Pressure regulators, and any line size permitted. All fuel lines must originate and return to a single, non-segmented, fuel cell or OEM fuel tank. Fuel pump must shut off with a master electrical switch. Any method of artificially heating or cooling fuel prohibited (cool cans, ice, wet rags, Freon, etc.). A valve for removal of fuel (gasoline) during technical inspections is mandatory. Valve must be installed between carburetor/injection and regulator, and should be installed in such a manner that allows a cup to be placed to catch fuel removed from the line. Exit of valve should be capped or plugged in addition to being closed for added safety.
Aftermarket/fabricated fuel tank or cell permitted. Must be located in trunk area. If tank or fuel filler is inside trunk, a bulkhead of minimum .032” aluminum or .024” steel must be used between trunk and driver compartment, and tank must be vented to outside of car. When used, fuel cells must have a metal box protecting the part of the fuel cell that is outside the trunk floor. Non-metallic fuel cells or tanks must be grounded to frame. See NHRA General Regulations Section 1.5.
1.6 GASOLINE
GASOLINE: Gasoline as outlined here is the only acceptable fuel for use in this eliminator. The NMRA Racing Association reserves the right to check gasoline at any time during competition. Gasoline, as defined by the NHRA rulebook, is a mixture of hydrocarbons only. The average dielectric constant (D.C.) for the hydrocarbons that compromises gasoline is 2.025. This is defined as a reading of “0” on the fuel-check meter.
1.6a) SPEC FUEL: NMRA requires the use of one of the allowable NMRA spec fuels in this class. Mixing of fuels prohibited. Failure to pass fuel check is grounds for disallowance of the run during qualifying and disqualification from the event during eliminations. Fuel must pass color, fuel meter, specific gravity, chemical testing, and/or any other check as required by NMRA Technical Department.
1.9 NITROUS OXIDE
NITROUS OXIDE: Prohibited.
1.10 OIL SYSTEM
OILING SYSTEM: Wet sump oiling system required. Dry sump oiling systems prohibited. External oil pumps prohibited. Oil lines run outside engine block to feed oil galleries prohibited. Vacuum pump and/or evacuator system (header, or otherwise) prohibited. Stock OEM oil pan required for exact vehicle model year . Windage tray, crank scraper, etc. permitted.
1.12 SUPERCHARGER
SUPERCHARGERS: Prohibited.
1.15 BLOCK
Block: Any cast iron Ford type 302W permitted. Any cast iron or cast aluminum 4.6 based engine block permitted. Block must maintain Ford O.E.M. bore spacing, deck heights, and crankshaft spacing for engine type used. Deck spacers (extensions) prohibited. Main cap girdle permitted, but must only provide increased structural rigidity and may not incorporate oil control device, windage tray, or crank scraper.
1.16 ENGINE LOCATION/MOUNTS
Engine Location: Engine location may be altered from stock, however no part of engine or heads may contact firewall. Engine plates prohibited. Solid engine mounts permitted.
1.17 HEADS
GENERAL GUIDELINES:
302W Type Heads: Only commercially available cast iron cylinder heads permitted. Billet, one-off, custom and/or fabricated heads prohibited. Cylinder heads must be overhead valve single spark plug per cylinder design.
4.6 type Heads: Only commercially available cast aluminum or cast iron cylinder heads permitted. Billet, one-off, custom and/or fabricated heads prohibited. Cylinder head must be single spark plug per cylinder design.
1.17a) HEADS, PERMITTED: Only original manufacture, generally available heads, accepted by NMRA, permitted. External and internal modifications prohibited in port area. Spark plug placement and depth must remain stock. Billet, one-off, custom and/or fabricated heads prohibited.
1.17b) HEADS, MASS PRODUCED: Only mass-produced, commercially available, NMRA accepted, cast aluminum or cast iron Ford cylinder heads permitted. Low volume, one-off, cylinder heads prohibited.
1.17c) HEADS, BOLT PATTERN: Class is permitted standard bolt-pattern only for cylinder heads.
Maximum of 10 head fasteners per side in Ford O.E.M. location.
1.17d) HEADS, PORTING: Prohibited. (*Porting only permitted on 4.6L Ford OEM 2-Valve '96-'04 Cylinder Heads with 100 pound weight adder.) Runners and combustion chambers must retain OEM appearance. Final acceptance at the discretion of NMRA Technical Department.
1.17e) HEADS, WELDING/EPOXY: Prohibited.
1.17f) HEADS, VALVES: Maximum valve sizes for 302W heads is 1.850” Intake/ 1.550” Exhaust. Maximum valve sizes for 4.6L two valve heads are 1.850” Intake/ 1.452” Exhaust. Maximum valve sizes for 4.6L three-valve heads are 1.368" Intake and 1.514” exhaust. Maximum valve sizes for 4.6L four valve heads are 1.487” Intake/ 1.211” Exhaust. Valve stem size in guide area must be 11/32” for 302W heads, Valve stem size in guide area must be 0.274” for 4.6L heads. Undercut stems permitted. Aftermarket steel valve permitted, titanium/exotic valves prohibited. Bronze lined or replacement guides permitted.
1.17g) HEADS, MILLING: Permitted. See combustion chamber volume. Cylinder heads must maintain original production valve angles + or – 2 degrees.
1.17h) HEADS, PUSHROD SLEEVES: Prohibited.
1.17i) HEADS, COMBUSTION CHAMBER VOLUME: Minimum combustion chamber volume for 302W heads is 52.0 cc’s. Minimum combustion chamber volume for 4.6L 2-valve heads is 40.0 cc’s. Minimum combustion chamber volume for 4.6L 3-valve heads is tba cc. Minimum combustion chamber volume for 4.6L 4-valve heads is 42.0 cc’s. ** Minimum combustion chamber volume for 4.6L 4-valve heads will change to 49.0 cc for 2007 racing season with a possible adjustment in minimum weight for competitive balance purposes.
1.17j) HEADS, PORT PLATES/ADAPTER PLATES: Intake and/or exhaust port plates/adapter plates prohibited.
1.17k) VALVE JOB: Any valve job permitted.
Permitted Cylinder Head List, Parts Number: These are the only permitted cylinder heads and part numbers for competition in this category. If your cylinder head is not on this list, it is prohibited.
1) Stock Ford OEM 5.0 HO Cast Iron Cylinder Heads. (*Deduct 250#)
2) FRPP/SVO GT-40 Cast Iron Cylinder Heads
3) FRPP/SVO GT-40P Cast Iron Cylinder Heads
4) Stock Ford OEM 4.6 Cylinder Heads**
5) FRPP/SVO 4.6 2-valve**
Note: Stock factory OEM heads are those cylinder heads that are factory production line installed on production vehicles as recognized by NHRA.
**Porting permitted,
1.18 VALVETRAIN
1.18a) CAMSHAFT: Stock lobe 5.0 HO or 4.6L camshaft required. Specified duration, lift, and lobe separation required.
5.0 HO: Camshaft maximum lobe lift is .278”; Minimum lobe lift is .270. Maximum valve lift at the retainer not to exceed .480”.
Lobe duration is checked at the below specified lobe lifts.
Lift Maximum duration
.050” 211
.100” 179
.150” 148
.200” 115
Maximum lobe separation angle – 117 degrees
Minimum lobe separation angle – 115 degrees
4.6L 2-VALVE: Maximum valve lift is .510 intake, .545 exhaust (checked at retainer); Minimum lobe lift is TBA (To Be Announced). Maximum lobe duration TBA (To Be Announced).
4.6L 3-VALVE: Maximum valve lift is TBA intake, TBA exhaust (checked at retainer); Minimum lobe lift is TBA (To Be Announced). Maximum lobe duration TBA (To Be Announced). Contact NMRA tech if you intend to compete with a 3-valve.
4.6L 4-VALVE: Maximum valve lift is .395” intake, .395” exhaust (checked at retainer); Minimum lobe lift is TBA (To Be Announced). Maximum lobe duration TBA (To Be Announced).
For 5.0 HO applications, valve lift will be checked at retainer with pushrod & rocker as run, using a blocked up OEM Ford hydraulic roller lifter, at zero lash. Durations/Lobe Separations are checked with camshaft & hydraulic roller lifter in block. Duration/Lobe separation is measured at the crankshaft. Lobe lift is measured at the hydraulic roller lifter.
1.18b) LIFTERS: Functional, unmodified Ford OEM stock hydraulic roller lifters required.
Any modification to the clip, pushrod cup, piston, spring, or lifter body is not permitted. Hydraulic roller lifters may not be plugged or bottomed.
1.18c) LIFTER BORES: Bushed lifter bores permitted.
1.18d) VALVE LOCK: Steel valve locks required.
1.18e) RETAINERS: Steel retainers required.
1.18f) STUD & GUIDE PLATES: Stud and guide plate conversions permitted.
1.18g) CAMSHAFT DRIVE SYSTEM: Stock type camshaft drive system required.
1.18h) ROCKER ARMS: Stud or pedestal mount rocker arms accepted. Shaft rocker prohibited. Stud girdle is prohibited.
1.18i) REV KITS: Prohibited.
1.18j) PUSHRODS: Steel is only accepted material. Composite pushrods prohibited. 5/16 maximum outside diameter.
1.18k) SPRINGS: Single or dual steel valve springs required. Maximum valve spring pressure “on the seat” is 160 pounds for 5.0L combinations.
1.19 CARBURETORS
CARBURETORS: Prohibited.
1.20 FUEL INJECTION
Fuel Injection: OEM Ford EEC-IV or EEC-V engine control computer system required. NMRA accepted “plug-in” chips and EEC computer “add-ons” permitted. Ford EEC-IV or Ford EEC-V Speed density permitted for all combinations. OEM engine control computer must be functional.
1.20a) THROTTLE BODY: Only mass produced, commercially available throttle bodies permitted. Single throttle body in stock location required. Maximum throttle body size is 2.755” (70mm) for 5.0 & 4.6 2V & 3V applications. 4.6 4V must use unmodified, OEM-supplied stock throttle body. EGR spacer is not required.
1.20b) MASS AIR SIZE & TYPE PERMITTED: Commercially available, complete, mass produced mass air sensors required on all combinations (sample tube and elements required), including speed density equipped. Mass air sensor is not required to function. Mass air sensor must be standard draw through design. Maximum size of mass air sensor – 3.150” (80mm).
1.20c) FUEL INJECTOR SIZES & TYPES: Any size/type fuel injector permitted. Maximum of 8 fuel injectors located in stock location.
1.20d) AIR CLEANER: Commercially available, mass produced, unmodified, automotive type air cleaner required. All incoming air must pass through air cleaner.
1.20e) EFI ADD-ONS:
If your add-on computer is not on this list, it is prohibited.
1) FRPP Extender & FRPP EPEC
2) Anderson Ford PMS
3) Autologic Plug-in EEC Chip
4) Superchips Plug-in EEC Chip
5) Hyperchip Plug-in EEC Chip
6) Diablo Plug-in EEC Chip
7) EEC Tuner
8) SCT Xcalibrator & XCAL2
9) Diablo Predator
1.21 INTAKE MANIFOLD
INTAKE MANIFOLD: Only NMRA accepted commercially available, mass-produced intake manifolds permitted. Any height spacer permitted between EFI upper and lower intakes only. All runners must be completely separated from each other runner. Spacer or gasket must not create a 'plenum', or any other means for air to pass between runners. 4.6L 4V combinations may remove secondary runner controls. 2V engines only may use aftermarket as-cast throttle-body to intake manifold plenums.
1.21a) PORTING: Prohibited.
1.21b) WELDING/EPOXY: Prohibited.
1.21c) PERMITTED INTAKE MANIFOLD LIST, PART NUMBERS:
If your intake manifold is not on this list, it is prohibited.
1) Stock OEM Mustang-specific 5.0 EFI Intake – Upper & Lower
2) Stock OEM Mustang-specific 4.6 2V Intake – Upper & Lower
3) Stock OEM Mustang-specific 4.6 3V Intake – Upper & Lower
4) Stock OEM Mustang-specific 4.6 4V Intake – Upper & Lower
5) Ford Explorer – Upper & Lower
6) SVT Cobra EFI – Upper & Lower, PN# M 9424 D51, M 9424 E51
7) SVO 4.6 2-Valve – Upper & Lower
8) Bullitt Ford O.E.M. 4.6L 2-valve intake
1.22 SOLENOIDS
SOLENOIDS: Prohibited.
1.23 TURBOCHARGERS
TURBOCHARGER: Prohibited.
1.24 AFTERCOOLER/INTERCOOLER
AFTERCOOLER/INTERCOOLER: Prohibited.
1.25 POWER ADDERS
POWER ADDERS: Prohibited.
Water injection is prohibited.
1.26 CRANKSHAFT
CRANKSHAFT: Stock or aftermarket steel crankshaft required. Stock 3.000” stroke, +/- .010”, mandatory for 302W applications. Stock 3.543” stroke, +/- .010”, mandatory for 4.6L applications. Minimum rod bearing shaft diameter is 2.000”. Modifications to crankshaft permitted.
Composite and/or multi-piece crankshafts prohibited.
1.27 CONNECTING RODS
CONNECTING RODS: Stock or aftermarket steel connecting rods required. Composite connecting rods prohibited. 302W connecting rods must be 5.090”, +/- .025”, center to center length. 4.6L connecting rods must be 5.933”, +/- .025”, center to center length. Connecting rods may be of any design. Connecting rods may be free floating or press fit.
1.28 HEAD GASKETS & QUENCH AREA
HEAD GASKETS & QUENCH AREA: Pistons may be below block, even with deck, or above block at top dead center. Any type single head gasket permitted.
1.29 PISTONS, PINS, RINGS
PISTONS, PINS, RINGS: Stock or aftermarket piston permitted. Piston must be flat top or dish design. The use of 3 rings is required. Gas porting of pistons prohibited (side or top). Wrist pins for 302W based applications must be a minimum of .912” diameter. Wrist pins for 4.6L applications must be a minimum of .866” diameter. Valve reliefs optional.
1.30 BOOST CONTROLLERS
BOOST CONTROLLERS: Prohibited.
1.31 WASTEGATE & PRESSURE REGULATOR
WASTEGATE & PRESSURE REGULATOR: Prohibited.
1.32 VISIBLE COATINGS
Visible coatings are permitted where lubricants are present. Visible piston coating above the top ring is permitted. Visible coating of cylinder head runners, combustions chambers, and/or intake manifold runners/plenums prohibited. Visible coating of any external surface of cylinder head or intake manifold prohibited, including, but not limited to runners and/or plenums.
1.33 “O” Ringing of block
“O” RINGING OF BLOCK: Permitted.
2: Drivetrain
2.3 CLUTCH
CLUTCH: Standard Ford OEM factory-replacement-style single disc diaphragm clutch required, 10.0” minimum diameter. Steel pressure plate minimum of 10.0-inch in diameter is required. Aluminum may not be utilized in pressure plate. Adjustable pressure plates,and/ or long-style pressure plates are prohibited. Clutch operation must be operated using factory style cable mechanism. 2005-up Mustangs using hydraulic clutch actuation may retro-fit ’79-’04 cable style mechanism.
2.4 DRIVESHAFT
DRIVESHAFT: Driveshaft required to be only steel or aluminum regardless of origin or manufacturer.
2.11 REAREND
REAREND: Ford 7.5-inch,8.8-inch, or 9-inch rearend required. Rearend must be stock width (axle flange to flange) for model year of car +/- 1.0-inch.
GEARS: Gears must be full weight, factory OEM-style replacement and may not be lightened, milled, or profiled. The only exception to this is the Motive Gear AX-series which is permitted Ratio may be different than stock. Ratio restricted to 3.90 ratio or numerically lower for 4.6 4-valve Modular combinations. 3-valve combinations will be permitted any gear ratio until the competitive balance of the category requires a limitation.
AXLES: Aftermarket axles may be utilized. Gun-drilling prohibited. Flanges for axle must be solid and one-piece. Pocket milling and lightening prohibited.
DIFFERENTIAL: Spools and mini-spools prohibited. Commercially available, OEM production, standard street-style differential required. Approved aftermarket differentials include: Ford Traction-loc, Auburn Standard, Auburn Pro, Eaton, Detroit Locker, Detroit TruTrac. Electronic or air-controlled locking mechanisms prohibited. All components utilized in rearend must be steel.
2.12 MANUAL TRANSMISSIONS
MANUAL TRANSMISSION: Only specified O.E.M. or specified aftermarket transmissions permitted. Overdrive gear(s) may be removed. Clutchless models prohibited. Any gear change must occur from direct action by the driver. Pneumatic, electric, hydraulic, etc. shifters prohibited. Pro-shifting is permitted. All transmissions must use either a) as produced, as supplied (unmodified) OEM gears and/or gear sets for transmission used or b) specified stock replacement helical cut gears and/or gear sets in the exact form as submitted for consideration and accepted by the NMRA. Gears and/or gear sets may not be utilized from other models (i.e. T-56 gears may not be used in T-5 transmissions). Transmission used is required to have a gear ratio in all gears as offered by the transmission used. Welding or grafting part of one countershaft to part of another counter shaft will not be accepted.
2.12a) PERMITTED MANUAL TRANSMISSIONS:
Tremec T5, Tremec T45, Tremec T56, Tremec TR3550, Tremec TR3650, Tremec TKO, Tremec TKO-500, TKO-600, & Tremec TKOII.
2.12b): SHIFTER: Must be commercially available bolt on shifter. Must have a single handle and attach to the transmission using only a) the OEM type mounting bolts in the OEM mounting holes and b) must use a single pivot-ball type shifting arm.
2.12c) PERMITTED GEAR RATIOS:
Tremec T5(a) - 3.35, 1.99, 1.33, 1.00
Tremec T5(b) - 2.95, 1.94, 1.34, 1.00
Tremec T45 - 3.37, 1.99, 1.33, 1.00
Tremec T56 (a) - 2.66, 1.78, 1.30, 1.00
Tremec T56 (b) - 2.97, 2.07, 1.43, 1.00
Tremec TR3550 - 3.27, 1.98, 1.34, 1.00
Tremec TR3650 - 3.38, 2.00, 1.32, 1.00
Tremec TKO/TKOII - 3.27, 1.98, 1.34, 1.00
T5 w/G-Force PN#5000 Dog Ring - 2.92, 1.99, 1.34, 1.00
T5 w/G-Force PN#5000 Syncro - 2.94, 1.94, 1.34, 1.00
Tremec TR3550/TKO/TKOII w/Liberty Gear PN#LG3500 - 2.92, 1.95, 1.34, 1.00
Tremec TKO-500 - 3.27, 1.97, 1.34, 1.00
Tremec TKO-600 - 2.87, 1.89, 1.28, 1.00
T5 w/G-Force PN#5000 Dog Ring – 3.22, 1.99, 1.34, 1.00
2.12d): SHIFTER: Must be commercially available bolt on shifter. Must have a single handle and attach to the transmission using only a) the OEM type mounting bolts in the OEM mounting holes and b) must use a single pivot-ball type shifting arm.
2.12e) FLYWHEEL: Steel or aluminum flywheel accepted.
2.13 PURPOSE BUILT TRANSMISSIONS
PURPOSE BUILT TRANSMISSIONS: Prohibited.
2.14 AUTOMATIC TRANSMISSIONS
(OEM American transmissions or replicas of OEM American transmissions that use planetary gears)
AUTOMATIC TRANSMISSIONS: Ford A.O.D. Ford A.O.D.E., 5R55S, and 4R70W transmissions with torque converter are required. Transbrake permitted. Overdrive gear may be removed. Pneumatic, electric, hydraulic, etc. shifters prohibited.
3: BRAKES & SUSPENSION
3.1 BRAKES
BRAKES: OEM brake system for model year required front and rear. Brake system may be cross-bred as necessary from different models (i.e., GT brakes may be installed on a Cobra).. Must have four wheel operating brakes. Brake parts or rotors cannot be drilled or lightened. Vehicles originally equipped with rear drum brakes may retrofit newer-style Ford OEM rear disk brakes. Manual conversions permitted. Automated brakes or any type of traction control is prohibited. Application and release of brakes must be a function of the driver’s foot. Line loc permitted on front wheels only. Any other electric, pneumatic, or hydraulic device in the system is prohibited.
3.2 SHOCK ABSORBERS
shock absorbers: each vehicle in competition must be equipped with one operative shock absorber for each sprung wheel. Shock absorbers may be either hydraulic or friction type, securely mounted and in good working order. Shocks must be stand alone and may not be adjustable during run via any means.
3.3 STEERING
STEERING: Power assisted aftermarket steering system in stock location mandatory. Power steering pump must be fully functional.
3.4 Suspension, FRONT
FRONT SUSPENSION:
3.4a) K-MEMBERS: Factory unaltered O.E.M. K-Member required and must attach to the chassis using only the original eight (8) factory O.E.M. type mounting bolts in the factory mounting location. No part of the K-member may be permanently attached to the chassis. K-member may not be modified in oil pan area to allow oil pan enlargement or removal.
3.4b) STRUT TOWER: Factory strut tower required. No modifications may be made to the strut towers other than the following: 1) roll bar or roll cage may be welded to the strut towers for safety purposes.
3.4c) CONTROL ARMS: OEM control arms required which are attached in stock location.
3.4d) SHOCKS/STRUTS: Aftermarket struts and shocks permitted provided stock attachment location used. Shocks must be stand alone and may not be adjustable during run via any means.
3.4e) SPRINGS: Aftermarket springs permitted in OEM location.
3.4f) COIL OVERS: Coil over shocks and struts prohibited.
3.4g) CAMBER PLATES: Bolt on type camber plates permitted. Bolt on plate may be tack welded to strut tower to prevent movement (1/4” max. length), otherwise welding prohibited. Camber plate may only be attached to top flat portion of strut tower. Attachment to any other structure prohibited.
3.4h) SPINDLES: Only stock OEM Ford spindles are accepted. Aftermarket spindles are not permitted in Factory Stock. Any year OEM 1979-up Ford spindle permitted on 1979-2004 Mustangs.
3.4i) 2005-up MUSTANG: 2005 & later Ford Mustang bodies are required to utilize stock OEM 2005-up front suspension type and design. OEM 2005-up control arms & spindles are required. OEM-style coil-over type struts & springs are required. Retro-fitting of ’79-’04 suspension components prohibited. All other suspension rules apply.
3.4 SUSPENSION, REAR
REAR SUSPENSION: Stock type suspension, including stock 4-link, and traction bars permitted. Rear coil-over shocks prohibited. Stock Type Suspension: Stock type suspension may utilize aftermarket, direct replacement type suspension components including aftermarket replacement shocks, springs (in factory location), and/or control arms.
3.4a) 3-LINK and 4-LINK: Stock or stock-type direct-replacement 3-link and/or 4 links required. All stock type 3 or 4 link suspensions must maintain stock lateral angles and attachment points, but may be moved up or down on rear axle. Retrofitting and/or cross-breeding of 3-link and 4-link components prohibited. 3.4b) LADDER BARS: Prohibited.
3.4c) REPLACEMENT CONTROL ARMS: Replacement aftermarket O.E.M. style upper and lower control arms permitted. Control arms may use any type bushing, bearing, or rod end. Control arms may be adjustable to any length.
3.4d) PANHARD BARS: Panhard bars prohibited on 2004 & earlier body styles. Permitted on 2005-up.
3.4e) SWAY BARS & AIR BAGS: Factory rear sway bars required for model year. Must be bolted to control arms in OEM mounting fashion only. Aftermarket sway bars prohibited. Conventional-type air lift bag may be located in right rear spring only.
3.4f) TORQUE ARMS: Prohibited.
3.4g) REAR SHOCKS & SPRINGS: O.E.M. or aftermarket style shocks & springs required in stock location. Coil-over shocks & springs prohibited. Shocks must be stand alone and may not be adjustable during run via any means.
3.4h) TRACTION BARS: Bolt on traction bars with permanent (welded or bolted) rear end mount and rubber snubber (or rubber bushing with permanent mount) on chassis side permitted.
3.4i) 2005-up MUSTANG: 2005 & later Ford Mustang bodies are required to utilize stock OEM 2005-up rear suspension type and design, including OEM-style 3-link setup. OEM or aftermarket replacement 2005-up control arms, shocks & springs are required in factory location. Retro-fitting of ’79-’04 suspension components prohibited. All other suspension rules apply.
3.4j) TORQUE BOXES: The Wild Rides “S” Box has been deemed an acceptable OEM Fox-body torque box replacement when installed in the OEM location as per Wild Rides official instructions. The only acceptable control arm mounting location for the upper control arms is the middle hole on the “S” box, which is the same as the stock OEM mounting location.
3.6 WHEELIE BARS
WHEELIE BARS: Prohibited.
4:FRAME
4.4 FRAME
FRAME: Stock, unaltered frame rails required in front subframe and rear subframe. Subframes on unibodied cars may be joined under car. Maximum size material to be used; 2x3x1/8 inch rectangular tubing or 1 5/8 O.D. inch round tubing (.118MS or .083CM). If connector protrudes through floor, floor must be completely welded to connector.
4.5 GROUND CLEARANCE
GROUND CLEARANCE: Minimum 4 inches from front of vehicle to 12 inches behind centerline of front axle; 3 inches for remainder of vehicle, except oil pan and exhaust headers.
4.12 WHEELBASE
WHEELBASE: Entries must retain stock wheelbase + or - 1 inches of stock. Maximum variation from left to right and front to back is 1 inch.
5: tires & wheelsg
5.1 Tires
TIRES - FRONT: D.O.T. Radial tires required. Front tires must have a minimum tread width of 4.5 inches.
TIRES – REAR: Accepted street-type D.O.T. Radial tires are required. Drag radial tires must be suitable and designed for street use. Tire tread may not extend outside fenders. Tire shaving is prohibited. The following sidewall designation D.O.T. drag radial tires are the only permitted: 275/50/15; 275/60/15; 275/40/17. Slicks & wrinkle wall tires are prohibited.
5.1a) Permitted street-type D.O.T. radial tire list:
· BFGoodrich Comp T/A Drag Radial
· BFGoodrich G-force T/A Drag Radial
· Nitto NT555R Drag Radials
· Also accepted: any approved radial-construction tire with a D.O.T. tread wear rating of 180 or greater that fits all other criteria and sizing.
5.2 WHEELS
WHEELS: Spindle-mount front wheels prohibited.
6: INTERIOR
6.1 INTERIOR
Interior, GENERAL: Must maintain stock appearance; including factory OEM dashboard, headliner, & steering column cover. Heater/air conditioners may be removed.
6.4 CARPET
CARPET: Floor and tunnel where visible must be upholstered or carpeted. Headliner required.
6.5 SEATS
SEATS: Upholstered OEM or aftermarket upholstered seats (2) in stock location is required. Rear seat may be removed; area must be carpeted or upholstered.
6.6 DOOR PANELS
DOOR PANELS: Door panels must be covered and stock appearing.
6.7 STEERING COLUMN
STEERING COLUMN: Stock O.E.M. steering column required. Removable steering wheel permitted.
6.8 GAUGES
GUAGES: Aftermarket gauges may be installed in factory dash.
6.9 PEDALS/PEDAL LOCATION
PEDALS/PEDAL LOCATION: Stock type pedals, linkage, and location required.
7: Body
BODY: Vehicle must retain original or NMRA accepted appearances and profiles for year and make of body. Original O.E.M. body shell (unibody structure from firewall to taillight panel) must be intact. Only 1979 & newer Fox based Ford body styles, including 2005-up Mustangs, permitted. Lightweight body parts restricted to hood. Hood must be hinged or lift off. Deck lid must be hinged, lift off deck lids prohibited. Body must be finished and painted. Alterations or aerodynamic modifications such as “chopped tops”, “channeling”, “sectioning”, “shortening” or “scaling down” prohibited. If a convertible top is used as an entry the use of ANY mechanism under or above the convertible top is not permitted. Ex: Building a cover that would be located above or below the convertible top, using straps below or above the convertible top, etc. Convertible top needs to be operational.. Convertible entries must compete with top up.
7.1 ADVERTIsING
GRAPHICS: Graphics (for advertising or creative purposes) permitted on entire body, including doors, hood, rear quarter panels, front fenders, wing, etc.
CONTINGENCY DECALS: In order to be eligible for NMRA official contingency program, all contingency decals are required to appear only on the rear quarter windows or rear window in a clear and organized fashion. Contingency decals may not be overlapped or modified. Other decals and sponsorship (non-contingency) may appear on bodywork, front end, and on windows.
NMRA REQUIRED DECALS: The following decals are required for competition in NMRA events.
· NMRA Windshield Decal – must be installed on top of windshield. This NMRA decal must be the only decal on top of windshield. Other vehicle sponsor decals may be placed at base of windshield.
· NMRA 2006 Drag Racing Series “Side” Decals – must be installed on each side of vehicle on quarter windows.
· Class Sponsor Decal – class sponsor decal must be installed on base of windshield on the passenger side.
· Permanent Numbers – permanent numbers are required for competition in this class. Must be on front, rear, and both side windows.
7.2 SPOILERS
Rear SPOILER: Rear spoilers permitted, may not extend more than 26 inches from the transition point with the body to the rear most portions. Rear spoiler may not be molded into body (Pro Mod Style).
Spoilers must be stationary during entire run. A positive locking device to prevent movement required. Spring loaded spoilers prohibited. Spoiler spill plates (if used) may be a maximum of 12” in height.
7.5 FIREWALLS
Firewall: Stock, unaltered firewall required.
7.6 FLOOR/TRUNK PAN/TRANSMISSION TUNNEL
FLOOR: Stock, unaltered floor-pan, except for through the floor sub frame connectors, required from firewall to back bumper. Transmission tunnel must remain stock & unaltered. Removable floor-pan sections and/or transmission tunnels prohibited. Only spare tire well may be removed/replaced all other rear floor pan and trunk pan must be intact.
7.7 HOOD/SCOOP
Hood/Scoop: OEM or aftermarket hood permitted. Forward mounted hood scoops must be closed during competition. Cowl induction hoods restricted to a maximum of 5 inches as measured from the hood surface next to the scoop to the top of the scoop along the entire scoop. The entire induction system must be completely covered by hood. Hood must be attached separately in a conventional manner and must be lift off or bolt on.
7.9 WINDSHIELDS/WINDOWS
Windows: O.E.M. safety glass required. Driver and passenger windows must be closed during racing. Windows must be operative. NHRA-approved Lexan may be used to replace OEM sunroof glass and OEM T-Top glass, when installed in an NHRA-approved manner.
7.10 BUMPERS
Bumpers: not Applicable. License plate frame holders are not permitted to extend beyond flat surface of front bumper. No body components, bumper add-ons, or body kits are permitted to be added to the vehicle with the intent of increasing the frontal distance of the bumper for the purposes of breaking the infrared beams.
7.11 FENDER SPLASH PANS
Fender Splash Pans: Full, factory OEM sheet metal inner fenders required.
7.12 GRILLE
GRILLE: Stock grille required. Blocking of grille to prevent air passage is prohibited.
7.13 WHEELWELLS
INNER WHEELWELLS: Stock inner wheel wells required, may not be sectioned or replaced.
OUTER FENDERS: Leading and trailing edges of outer fenders may be trimmed for tire clearance, maximum 2”.
7.14 RAM AIR/ENGINE AIR PANS
Ram Air: Commercially available ram-air unit permitted. Headlights, turn signals, or hazard lights may not be removed/modified for air induction.
7.15 DOORS
Doors: Driver and passenger doors must be functional and operable from inside and outside of vehicle.
7.16 AERODYNAMICS
AERODYNAMICS: Taping of any body parts, seams, or front end prohibited. Removal of side mirrors prohibited. Head light covers permitted. Fog light covers permitted.
7.17 BODY KITS
BODY KITS: Only accepted, commercially available aftermarket body kits permitted. Filled-in lower valance prohibited, whether OEM or commercially available aftermarket. Blocking any portion of lower valance area (in front of behind valance) with Plexiglas or other materials prohibited.
7.18 COWL AREA
COWL AREA: Cowl area of vehicle must be unaltered.
7.19 FRONT FENDERS/FRONT FASCIA
FRONT FENDERS/FRONT FASCIA: Stock or stock replacementfront fenders and front fascia required (see section 7.17.) Filled-in lower valancewhether OEM-modified or as-supplied aftermarket valance, prohibited. May not be one-piece front end. Hole(s) in front bumper prohibited.
8: Electrical
8.1 BATTERY/CHARGING SYSTEM
BATTERY: Battery may be located in any part of vehicle. Only a single battery may be present in the vehicle during competition. Charging systems must be functional and crank driven by the factory style 6 rib serpentine belt.
8.3 Ignition
IGNITION: Any battery operated ignition permitted. Distributor drive system must be stock O.E.M. as produced.
8.5 STARTER
STARTER: All entries must be self-starting with on-board starter in OEM location.
9: SUPPORT GROUPS
Bracket racing aids such as optical sensors, delay boxes, stutter boxes, etc. prohibited. Throttle stops prohibited. The application or use of any device, mechanical or electronic, that permits the driver to ascertain the position of their vehicle in relation to the starting line is prohibited.
9.2 OnBoard Diagnostics/Data Recorders
ONBOARD DIAGNOSTICS/DATA RECORDERS: External data recorders & data loggers are prohibited.
Wide band oxygen sensors and recorders are prohibited.EFI systems if standard equipped are permitted to record engine functions only of the vehicle. Playback tachometers permitted including those that record driveshaft RPM. Any wiring monitoring engine or drive train functions other than those specifically permitted are prohibited. Laptops prohibited in vehicle during competition.
9.8 TOW VEHICLES
TOW VEHICLES: Vehicles may not be towed in or to staging lanes. Vehicles may not be towed from the return road. Vehicle may be towed from scales.
10: DRIVER
10.4 CREDENTIALS
CREDENTIALS: See general regulations.
11: CLASS & SAFETY REQUIREMENTS
It is the participant’s responsibility to familiarize oneself with the class requirements as found in the 2006 NMRA rulebook and the safety requirements as found in the 2006 NHRA rulebook.
The participant agrees that the participant bears the ultimate responsibility at all times to ensure the safety of participant’s vehicle and to ensure that participant complies with all applicable NHRA & NMRA rules. The participant agrees that participant is in the best position to know about the construction and operation of participant’s vehicle, equipment, and clothing, and whether there has been compliance with all applicable NHRA & NMRA rules.
12: Street-Legal Requirements
Headlights and tail lights for year & make of body used mandatory. Head lights & tail lights required to be functional.
14:RULES ADJUSTMENTS, MID SEASON LOG
Date: Adjustment:
None at this time.
AND THESE CARS ARE GOING MID TO LOW 11'S
Here is the picture of our budget race car.
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http://i52.photobucket.com/albums/g35/MaxPowerAutosports/P1010101.jpg
http://i52.photobucket.com/albums/g35/MaxPowerAutosports/l.jpg