This is a category that is pretty rapidly going away. You'll be hard-pressed to find an overhead valve — also known as a pushrod — engine in anything outside of a General Motors LS/LT V8 or one of ...

The internal combustion engine, despite being a century-and-a-half old, is still an impressive marvel of engineering. There are several variations of engine design that have been experimented with ...

OHV stands for overhead valve, and these types of powerplants can also be called pushrod engines. OHV engines have the intake and exhaust valves located above the camshaft, which is in the engine ...

Some automakers are famous for specific cars, others for innovating when the world seemed stuck in the mud. Some, like Volvo, are famous for safety, but some fly under the radar, their greatest ...

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 has ...

The year 1996 had a lot of Mustang enthusiasts scratching their heads. The body of their beloved ponycar looked the same, but under the hood was something quite unfamiliar. It was the debut of the ...