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

Just days ago, Porsche patented a revolutionary six-stroke engine that combines the power advantages of a two-stroke engine ...

Last month we acquainted you with a few unique procedures for using conventional tune-up devices—such as a vacuum gauge, timing light and electrical analyzer—for evaluating the efficiency and ...

Compression is only one thing Hyundai wants to be able to adjust.