From my Dad and buddies Dads that raced on the street back then, I assume anything that ran 12's (that could hook) was deemed the best.

My buddies dad had a 70 396SS Nova with a worked 427 in it that ran 12.40's at the track. he said the man to beat was a "Red 413 cube push button Dodge" and IIRC he did to claim the title.

The Dodge was stock though..maybe headers or something.