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 ...

As you may know, an engine's compression ratio is directly linked to its combustion efficiency. All else being equal, higher-compression engines tend to make more power while offering better fuel ...

‘It’s a big difference’ — Collins questions whether the FIA test reflects real engine heat.