The Classic Era massive-displacement V-8s forever changed street performance in the most awesome way possible.

The Olds and Pontiac 455 engines were both big-block V8s, but they had differing power outputs and development philosophies.

Oldsmobile 4-4-2 W-30 versus Buick GS 455 Stage 1, A-body brothers each considered the “gentleman’s musclecar.” Sibling rivals when GM divisions competed.

Nevertheless, the prototype W-43 engine was by no means an ordinary 455 like the future W-30 and W-34. That's because it featured an experimental valvetrain with two extra valves per cylinder.

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1970 Oldsmobile 442 Listing: 1970 Oldsmobile 442 W-30 Is on sale for $244,573 in Indiana listed on classic cars.com. This 1970 Oldsmobile 442 W-30, originally sold at Ontario Motor Sales in Oshawa, ...

The Oldsmobile 442, a legendary muscle car, emerged in the mid-1960s, riding the wave of high-performance enthusiasm ignited by the Pontiac GTO. Initially an option package for the Cutlass and F-85, ...

By 1970, the Toronado was rocking the biggest Oldsmobile engine available, the 455 Rocket V8, with its enormous 455-cube displacement (7.5 liters) and equally monstrous torque rating (500 lb-ft ...

Both Oldsmobile and Pontiac had a V8 engine called the 455. Even though both were owned by General Motors, the engines are similar, but not the same.

One of the most notable participants in the 2024 Detroit Autorama is a special Oldsmobile 4-4-2 build packing a rare, experimental V-8 engine. To read about the twin brothers from Detroit responsible ...

A previous owner had dropped a 455 Olds engine under the hood and Marcie insisted a 400 cubic inch motor be installed. A donor 1967 Cutlass was acquired which is now in this car.