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

I'm new to doing compression test, so here is what I've done so far. I warmed my car up, disconnected the coil pack wires, put a block on the throttle to hold it open - and then performed a dry test, ...

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 ...

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

Ever since the first internal combustion engine hit top dead centre, engineers have been locked in an inexorable battle with compression ratios. Too low a compression ratio and the engine's efficiency ...