Chevrolet bigblock engine Wikipedia
The Chevrolet "big block" engine is a term for a series of largedisplacement, naturallyaspirated, 90°, overhead valve, gasolinepowered, V8 engines; that were developed and produced by the Chevrolet Division of General Motors, from the 1950s until present. Chevrolet had introduced its popular small block V8 in 1955, but needed something larger to power its medium duty trucks and the heavier cars that were on the drawing board. The big block, which debuted in 1958 at 348 cu in, was built ...
