Read about the DCI 455 Pontiac Engine and see pictures of the valvetrain, Ross pistons, lifters, ports, Pontiac manifold, Holly carburetor, and more, inside Popular Hot Rodding Magazine.

Pontiac’s B-body lineup holds a special place for enthusiasts who appreciate the charm of sleeper cars. These vehicles, while ...

The stunningly detailed and tidy state of the engine bay, complete with 455 HO decals, makes for a car worth as much on the open market a modern sports coupe.

A 1971 Pontiac Trans Am fitted with the massive 455 HO engine installed by the GM brand before it left the factory is looking ...

This 1970 Pontiac GTO 455 came loaded with the options that make every Pontiac fan envious. It earned a Concours Gold Award at the 2008 GTOAA Nationals, scoring 385/400 points. - High Performance ...

Pontiac’s 400 was a high-performance muscle car engine, while Chevy’s 400 was a small-block mainly for big cars and trucks, ...

Pontiac’s 1972 Grand Prix blended long-hood, short-deck style with 400 and 455 V8 engines, refined luxury, and rare SSJ ...

Rise And Fall Of Trans Am Power A close-up shot of the white hood and SD-455 badging of 1 of 731 of the 1974 Pontiac Trans Am's equipped with the 455 cubic-inch Super-Duty engines.

1974 Pontiac Firebird Trans Am Super Duty, one of just 212, features a 455 cubic-inch Super Duty V8 engine and four-speed manual transmission.

Historically, the Pontiac Firebird Trans Am raised the performance levels a notch or two over a plain Firebird in the muscle car hierarchy of the Sixties.

Watch a video of this 1984 Pontiac Fiero with Oldsmobile 455 big block V8 power. The 1984 Pontiac Fiero was complete rebuilt from its stock status.