I Wouldn't put money on that!! I have one!.400, 400trans 670 heads and long branch manifolds.Partial original paint Had it at G.M nats in carlisle (took 1st)and great lakes firebird gathering (1st also) and ames performance show so you better make sure before you make a statement.Also as that goes, I also had a 68 Formula (yes I did say formula )It was a executive's car at gm.There were a lot of strange things back then and I happen to be lucky to own and have owned some of them.