The lack of "455" badges would indicate that this 1971 Fire Red ragtop is a base GS 350.
For 1971 the 4bbl small-block Buick 350 in the GS had its compression reduced from 10.25:1 to 8.5:1, although it still had a functional cold air intake and dual exhausts. For that model year, General Motors ad copy quoted both SAE gross and net horsepower figures, and the GS 350's mill was rated at 260 and 195 bhp, respectively, down from the 315 SAE gross of 1970.
A Buick GS 350 was hardly the stoplight terror its bigger 455 cube sibling was, but it's still a pretty grand sport.
