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 ...

Tick. Tick. Tick. That's the sound our Ford 4.0-liter, over-head valve (OHV) engine was making in our 1991 Ford Explorer after 250,000 miles. The Ford 4.0L V-6 engines, built in Germany, are found in ...

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 ...

Automakers often toss around terms that look like alphabet soup to some, including engine descriptors such as DOHC, SOHC and OHV. These engine acronyms can be confusing. Here is what they stand for: ...

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 ...

The Ford flathead V-8 engine changed hot-rodding forever. When introduced in 1932, the 221ci engine put out only 65 bhp, and even at the end of its production life in 1953 the larger Ford 239ci ...