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 ...

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, ...

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 ...

We put both engines on the dyno to see which made more horsepower and torque. It didn’t go as planned. Over the past year, we assembled two very mild small-blocks aimed at the typical hot-rodder ...

Compression in a diesel engine is essential for effective and efficient performance. And when compression is lacking, damage can result. That’s why it’s imperative to know whether your engine’s ...

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 ...

Diesel engines do their hardest work in the toughest jobs, from highway semis to construction equipment, and the reason they can survive that punishment starts with how fiercely they squeeze the air ...