At first glance, the concept of engine compression is simple enough:It's the ratio of the volume of the combustion chamber and bore when thepiston is at bottom dead center (BDC) versus when it is at ...

Taking an engine compression test is sort of like checking your car's blood pressure. It's a quick and painless procedure ...

A computer generated power stroke of an internal combustion engine, following ignition - Pathompong Thongsan/Getty Images When comparing engine specs for nearly any combustion engine automobile, we ...

Learn all about the design, operation, and troubleshooting of small internal combustion engines like those used in generators and lawn mowers! Dig into the function of different engine parts, ...

From the archives: Using a stash of parts and an old set of AFR 227 heads, see how this small-block combo got every last bit of power. To celebrate HOT ROD's 75th anniversary, we teamed up with ...

Mazda patents a complex 6-stroke engine that generates hydrogen from gasoline, offering zero emissions and daily operation ...

However, Ford was thinking in another direction, deciding to focus on efficiency and balance. The result was the small-block V8, a compact, lightweight engine that proved you didn't need massive ...

Compression ignition basically is the term that is used for describing the manner in which diesel engines function. It happens when intake air—which often is combined with recirculating exhaust gas—is ...