You've heard that pistons have rings, but have you ever wondered why there are three? Here's how piston rings work together ...

There's no need to sugarcoat what bad piston rings can do to your engine. Those rather thin cast-iron or steel rings may look small and irrelevant to untrained eyes, but they play a vital part in ...

We all know how a conventional internal combustion engine works, with a piston and a crankshaft. But that’s by no means the only way to make an engine, and one of the slightly more unusual ...

The term Atkinson cycle goes around a lot when talking about automotive engines. What does it mean? When did cars start using these engines?

The HEMI engine is named after the engine's hemispherical shaped piston heads. While Chrysler brands popularized and trademarked the name, HEMI-style engines were developed in the early 1900s. The ...