Check out this engine compression test, leakdown, and bubble tests. Read more only at www.highperformancepontiac.com, the official website for High Performance Pontiac Magazine!

Curious to learn just how healthy or unhealthy your engine is? Get yourself a compression tester and find out. See the best compression testers here.

We take a close look at what engine compression means, what it does, and how to test it.

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.

Compression testing is another good tool to use when diagnosing an engine. Combining the results of a leak down test with a cranking compression test can indicate an engine's potential.

Is your engine underperforming? Our expert shares how a diesel engine compression test could provide the diagnosis.