While an engine compression tester may not be the most common tool in a mechanic's garage, they can be very useful, ...

If all those engine goodies don’t result in cylinder pressure, performance is sure to disappoint, and there’s more to the story than you think. To celebrate HOT ROD's 75th anniversary, we teamed up ...

One of the easiest ways to test an engine's health is by checking its compression. Testing compression isn't something the average muscle car owner would do every year, but it is a useful tool to ...

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 ...

Q: I ve noticed my car is starting to lose power when I accelerate hard. A friend told me it might be the fuel pump and I should check the fuel pressure. I did this years ago on my pickup that had a ...