Need Help Please

Megivern

New Member
May 2, 2007
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OK I was reffered to this site from someone of fuel:taco:.net.

Heres my question. Everyone I have asked gives me a different answer.

Ok Im converting my 1991 Gt to 5 lug

Im running a 17x10 cobra rim on the rear right now

I want to run a 15x10 Prostar on the rear.

What is the backspace needed and what is the tire size that Im going to need to run without it rubbing.

Thanks for any help.