Chevrolet debuted a new overhead-valve V8 engine in 1955 with a 265-cubic-inch displacement. It became known as the Small Block Chevrolet. The engine has been a favorite due to its simple design ...

Citations: Conley, James Gerard, Katsmi Kurihara. 1997. Design Considerations for Overhead Valve Train in Small High Speed 4-cycle Engines.

General Motors' all-new 3.9L V6 has been honored with a Breakthrough Technology award by Popular Mechanics for its innovative use of variable valve timing in an overhead valve engine. For ages GM ...