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.

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

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

Infiniti’s variable compression engine is a huge technological leap Clever new tech means changing compression ratios (and displacement) on the fly.

Kazuhiro Akihama, Masahiro Taki, Semon Takasu, Takanori Ueda, Yoshihiro Iwashita, John T. Farrell, Walter Weissman, Fuel Octane and Composition Effects on Efficiency and Emissions in a High ...