Pontiac's Ram Air and H.O. engines developed during the muscle-car era for its exciting GTOs and Firebirds were among the most potent to come from Detroit at the time. A powerful V8 and youthful ...

The engine in this GTO is a 400ci unit, and the owner believes it's original. No numbers were shared, but send your mechanic to check everything under the hood, and you'll eventually find more data.

Moving the power from the engine is the Turbo Hydramatic 400 three-speed automatic transmission. This Pontiac Grand Am is being offered by Volo Auto Sales for $25,998.

The 455 V8 was Pontiac's top-of-the-line large displacement engine in its powerful muscle cars of the '70s. Iconic names like the Pontiac GTO Judge and the Buick Grand Sport also used variations ...

Classic Pontiac Trans Am Firebird Super Duty 455 sells for nearly $90,000 ... The top 10 best value used cars in 2025 Watch More ...

For many people out there, the debut of the 455 HO V8 long-stroke engine in 1970 was the Pontiac GTO they’ve been waiting for since 1965 when GM decided that the highest this series could go was ...

It is mostly original, with an Oldsmobile 403 (Trans Ams were fitted with either an Olds 403 cubic-inch engine rated at 185 horsepower or a Pontiac 400 rated at 220), a Turbo-Hydramatic 350 three ...

Pontiac introduced the engine to the press in the summer of 1972, during the brand's annual model line preview. Unsurprisingly, the response was enthusiastic. There was much to be excited about.

The Pontiac 370 was one of the engines that helped kickstart the American muscle car era. It was only produced by Pontiac for one year in 1958, and it only came as an optional engine on the 1958 ...