Quote Originally Posted by 55 Rescue Dog View Post
I see from this chart a couple Corvette wheel options with the +56 mm offset you said fit well 17x8.5 56mm front 97-04 vette, and 18 x 8.5 56 mm front 97 to 13 vette. http://www.corvettecentral.com/wheel-offset/
Either of those should give you plenty of clearance as you would gain 1/2" of clearance inside and out. If you want the wheels more to the outside you could add spacers. Probably up to 1/4" without changing the wheel studs. I would put in longer wheel studs to use any more of a spacer than that.
Brian