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 ...

Overhead-valve internal-combustion engines, in which the valves are located in the cylinder head and actuated by a block-mounted camshaft via pushrods, go way back in automotive history.

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 ...

A 5.3-liter overhead-valve V-8 good for 355 horsepower and 385 pound-feet of torque is standard on all models except the High Country, which gets a 6.2-liter overhead-valve V-8 rated at 420 ...