In the middle of the muscle-car horsepower wars, the 1970 Buick GS Stage 1 quietly rewrote the rulebook by proving that raw twist at low rpm could embarrass flashier rivals. Instead of chasing ...
What began in 1965 as a performance upgrade for the Skylark evolved into a standalone model by 1967, dropping the "Skylark" badge and keeping only the "GS." By 1970, Buick was finally allowed to throw ...