yet it found its worthy opponent in another GM engine: the Pontiac's own High Output 455 V8. These two big-block V8 engines were also the swan song of the original muscle car era, and they both ...

The 1970 4-4-2 equipped with the W-30 455 was an epic muscle car but it could've been even better with the 32-Valve W-43 455 ...

Buick and Oldsmobile had 455 engines, but they were different from the Pontiac version. Also, the High Output was more powerful than the standard 455 because it had higher compression and could ...

During the era when there was no replacement for displacement, these 5 ponies packed some ridiculously large big-block V8s ...