We check out this 427 LS7 powered pro-touring 1970 Buick Skylark built by Schwartz Performance. This GSX themed Buick is the perfect mix of then and now ...

That happened to the following 1970 Buick GSX Tribute built on a 1972 Skylark with a 454 V8. No, that’s not a typo, but the cold, hard facts: this Buick is powered by a Chevrolet engine.

Buick introduced the GSX in 1970 as an answer to cars like the Pontiac GTO Judge and Oldsmobile 442 W30, fitting its powerful GS 455 hardtop with exclusive paint, a black chin spoiler, a rear ...