NMCA Nostalgia super stock, AFX index. Any Car that runs faster then 10.00 would be in the FX index, including yours.. It is still the Nostalgia super stock class. Here are the indexes.
So other then maybe a few odd ball sanctioning bodies, i think im good.
I guess you didn't check the NENDRA rules I think the only car that fits those rules so far is SSR's car but he's patiently waiting for all of us to move up to his standards. I wonder if he used to own Vette's