straight axel

Yeah, The rules are different with each group.
Southeast Gassers states "Like it was in 1967" So you would think all 67's
They also have a stick shift only policy.
I believe that SEG also excludes camaros by rule, and maybe 67 mustangs. They do allow 65/66 mustangs. I think they require 66 sheet metal on 67 nova's.
Yep, just checked... no camaro, no v8 corvairs, no opels.
Guess who has a straight front axle opel......