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

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 ...

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

You might talk about it often, but do you really know what compression is all about? Every engine has to make it and those that don't are hurtin' for sure. But, here's the confusing part, for this ...