I am having a debate on the way the rear spoiler is supposed to be on a 71-73 Mach 1. Now I have always thought mine was on correct but I was informed by a guy in a nice way that it was backwards. I have looked all over the web and seen many like mine and a few the other way. I would like some experts to chime in and help me out on the correct way to have it on. Here is a picture of my parts car and mine is on the same way. Is it right or wrong ?