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!

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.

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.

There's a fair bit of science behind how engine turbochargers do what they do (air pressure, compression, fuel burn efficiency, etc.), but basically it will improve an engine's power by around 30 ...

Knowing how compression ratios are calculated and work can lead to more horsepower on the track and more appearances in victory lane. Find all the details inside Circle Track Magazine.

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