Grand American Modified Rule Changes

All 2010 GAM rules apply, except for the following changes:

1) 8” Hoosier slicks F75 right side and F53 left side.
2) 56% left side max weight.

We expect no other changes for the 2012 season, but stayed tuned to CNS tech news for further updates.

If you have any questions please feel free to contact me at This e-mail address is being protected from spambots. You need JavaScript enabled to view it

Art Kilgore - Tech Director
John Witthar - Race Director