255 60R/15 all around is way to go!
That's the biggest that will work. I have mine on stock Rally 11 7x15.
If you get Wheel Vintigues 15x8 rims you can go bigger but will have to deal with backspacing issues.
I think 255s are perfect.
__________________
1974 Lemans Sportecoupe GT (daily driver)
.030 over 354, #47 heads (84cc), Lunati voodoo 700 camshaft (207/213 @ .050), logs, 2.5 duals, X-pipe and Dynomax super turbo mufflers, 3.08 rear
|