General Motors has been producing small block V6 and V8 engines since the mid-1950s, and over the last 70 years of their existence, they have been through a great number of changes. The biggest shift ...

Chevrolet created the crate-motor craze with the introduction of the 345hp High Output (H.O.) 350 in 1989. The concept of a factory-built high-performance engine assembly has since proven irresistible ...