Pontiacs were winning LOTS of races, several years before the GTO & Firebird came along.
The 421SD cars won lots of 'em. One of those was the A/S car driven by Don Gay. It won A/S at the '62 US Nats.
Don & Gay Pontiac got some good ink in this article.
https://www.nhra.com/news/2015/drag-...s-teen-terrors