quick change gear size for clarksville speedway

[Deish98]

i have a 08 shaw with a 406 chevy small block and a winters quick change and im lookin to get 8200 rpms what size quick change gear i should use for clarksville speedway

[racin6mod]

I would say a 6:48 to a 6:57 8200 is a lot for a 400 based engine must have a good crank and rods.