Meet the Birotary, a crazy new and complicated engine that has three cylinders arranged like a star, a rotating block, a ...

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 small-block Chevrolet has been the most popular V-8 engine since it was introduced in 1955 as a truly small displacement V-8 of just 265 ci. Physically small enough to fit in virtually any engine ...

New cylinder head designs are not something you see everyday. Even when something new does come out, it's normally adapted from something else, be it a race head or a more exotic engine. The trickle ...

Back in the early 1990s the Gen II LT1 and LT4 engines powered GM's hottest performance cars, but GM read the tea leaves and knew that this platform would not be able to get them where they would ...

Contemplating the advantages of the pushrod-actuated overhead valve engine design in what appears to be the twilight of internal combustion might sound as anachronistic as a quick look at the value of ...

The HEMI logo plastered on modern Dodge cars and Ram trucks promises an increased level of automotive engine performance. But what's the difference between a hemi and a non-hemi engine? The primary ...

With a slogan like “The Future is Ecclectic,” we’d expect some interesting things from INNengine, a startup based in Spain. The company is showcasing a “one-stroke” engine that works as an opposed ...

Washington, D.C., Nov. 07, 2025 (GLOBE NEWSWIRE) -- Internal combustion engines will continue to be the prime power for key sectors of the global economy. Future engine designs will be heavily ...