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, ...

Apart from the very curious, not many people ask why diesel engines, compared to gasoline, run higher compression ratios. The argument is reasonably straightforward and starts with fuel ...

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