454SS SEATS NO FURTHER A MYSTERY

1970 observed the introduction of the most powerful Chevelle SS of all time. Responding on the lifting of GM's ban on engines larger than 400 cid in midsize cars and trucks, Chevrolet responded by dropping in a fresh 454 cubic motor into its Chevelle SS. The best motor choice was the LS6 version with 450bhp. The normal Chevelle SS 396 ongoing with