the thing is, this has become a science. it used to be that tires and wheels were skinny enough to fit inside the wheelwells and if they were a little too fat, you just rolled the wheelwell lip so they didn't rub.
now, however, if you don't get the backspacing and size right, you will rub on the inside or rub when the wheels are turned to lock or when going over a speedbump, or... you get the idea. i would say find out what the specs are for your current set of wheels and then follow that as closely as you can. or, find someone that has your wheels and your car and find out what his specs are. there are a ton of people out there that have certain combinations, you only have to locate one of them.
the other thing you can do is find an educated tech who knows wheel fitting and how to jam the most rubber into the wheelwell without rubbing. i started a project a while back about who had what custom wheel/tire application on their car to make it easier for someone who wanted to upgrade - all they had to do was look at the grid and see if the proposed wheel/tire combination would work. unfortunately, that information is on my other computer - the one on the floor behind me. i will get that info out eventually, but i don't think it will be in time to help you.
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Last edited by jims69camaro; 07-17-2007 at 11:58 AM.
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