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

Pop the hood on a classic Mazda RX-7 or RX-8 and the engine bay looks oddly empty. That is the charm of the rotary engine: a compact lump of metal that trades pistons and valves for a spinning ...

In an effort to increase the basic understanding of automobile technology for those new to the hot rod world or those who have been involved for a while but don't have a good foundation of knowledge.

In the first two installments of this series on engine fundamentals, we've covered the subject from its absolute beginning. An internal combustion engine is a machine that converts the energy of a ...

If you are a motorhead, an unusual engine will immediately get your attention. Most vehicles today have either an inline or V-shaped configuration, so anything peculiar will immediately stick out. If ...