Rotary engines (also known as Wankel engines and Wankel rotary engines) are quite different from piston or "reciprocating" engines. One of the distinguishing features is that they don't need valves to ...

Converting the ignition of a fuel-air mixture into usable mechanical energy lies at the core of a dizzying number of internal ...

It is incomplete to even talk about degreeing a camshaft without discussing piston-to-valve clearance. It's like learning how to drive but never being taught how to use the brakes. Learning how to ...

Last month we began a new series on the basic operation of the internal combustion engine. We realize that many of our readers may be new to the high-performance scene and do not fully understand the ...

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 ...

There's more to piston shapes than you might think. Whether it's domed, flat, or dished, all pistons have their fair share of pros and cons when it comes to performance and efficiency. Understand that ...

There is so much going on with internal combustion engines (ICEs) these days, it can give you a headache just reading about them. That's why we do the research for you and then cram it into bite-size ...

Incomplete gasoline combustion can lead to your car running rough, and in the worst cases, can seriously damage engine ...