The 1970 Buick GS was one of the wildest of all Buicks on paper. Its 455 cubic inch mill was derived from the earlier 430 cid V8 and produced around 350 HP @ 4600 rpm. The torque output was a very strong 510 ft-lb @ 2800 rpm. It featured a 10:1 compression ratio and a Rochester 4-barrell carburetor; this engine could push the 3800 pound car down the