I have a 2nd gen TA with these wheels and am running a 275/40 tire on them. I run a 7/16 spacer in front and a 1" in back. No rubbing in the back and only a full lock do I see signs of rubbing in the front. Stock geometry and control arms.
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Greg
'78 Trans Am - Y88-R LS3/T56,
Holley EFI, UMI Performance