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

An engine can generate power through a process of mixing air and fuel within a cylinder ... but one common design is the OHV ...

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 ...