HAS ANYONE LOOKED INTO A SWAP OF MARAUDER 2003 4VALVE MOTOR THEY ARE RATED AT 302 HP,310 FT/LBS O TRQ,I AM LOOKING AND SEE THAT THEY ARE IN SALVAGE YARDS FOR UNDER 1500.00(WOW) 1/3 THE COST OF SAME MOTOR LISTED FOR COBRA 2001 BUT THEY WANT 3500.00 FOR NON FORGED BOTTOM ENDS????? WTF......WHAT WOULD BE NEEDED FOR THE SWAP?????? I SAW 1 THAT NEEDED HEADS FOR 500.00 WITH UNDER 45K.WHAT ARE YOUR OPINIONS?????