Ok so I have a 1970 Challenger T/A clone that I'm going to get painted and finished up when I get back from Iraq in a few months. Since it is a clone I'm going with a modern color (Inferno Red Pearl Metallic, still a Mopar color) and 17" rim (Cragar 17" S/S rims) combo. My question is if any of y'all have 17" rims on your 1st Gen Challengers what backspacing and what if any mods did you have to do to get them to fit? I'm looking to not have to do anything to car, just need the right wheel tire combo to fit.

Thanks
Daniel