Arrival

Disassembly

Mechanical

Trim and Detail

Finish

The Gran Sport name has been used on several high-performance muscle cars built by Buick.  As Buick was the luxury brand one level below Cadillac, which did not have performance models, Buick GS branded models were the most opulently equipped models from GM during this era.

Continuing government restrictions and a dwindling muscle car market would make 1972 the last year the GS was based on the Skylark line.  Government regulations now required engines to be rated with all accessories in place, a “net” rating.  Although the actual engine output hadn’t changed from 1971, the power ratings dropped considerably.  The standard 350 dropped to 195 bhp while the 455 and 455 Stage 1 dropped to 225 bhp and 270 bhp respectively.  The GSX was still available, and the standard ram air induction piece changed from having two square induction pieces to one square one and one triangular one.

Read More: http://www.musclecarclub.com/buick-gs