We walk you through a compression test, a great way to determine the condition of your valves and piston rings.

A compression test is to determine how much pressure the engine makes, and a leakdown test measures its ability to hold pressure.

A crank compression test can tell you a lot about an engine and we will be going over the numbers. - Super Chevy Magazine ...

With a simple diesel engine compression test, it is possible to spot compression problems before they get worse. Here’s information on these tests and how to decide if it is time to perform one.

With a simple diesel engine compression test, it’s possible to spot compression problems before they get worse. Here’s information on these tests and how to decide if it’s time to perform one.