Dave -
Do you know if they will "rub" I would use them for racing only... I have a set of GrandSport rims as well, but was thinking that the extra rubber in back might be usefull... would hate to not see the extent of the ZO6 cause I'm running small tires...
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2001 ZO6
1998 Trans Am
1993 Z-28 Roadracing Car
--Car's in family--
1990 ZR-1
1971 LS6
1967 TRUE Original 327