Pontiac 287 – 455 Engines

Pontiac crate V8 engine

V-8 Development In 1954, General Motors leaned heavily on Chevrolet and Pontiac to develop V-8 engines for the 1955 model year and provided them with all available resources to ensure success. Pontiac settled on a 3.75-inch bore and 3.25-inch stroke to produce a 287-ci package. Pontiac management urged that the design allow for future displacement…

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