The guys at Muscle Car Review show you how to check engine compression with the latest tools. Check it out only at hotrod.com or the October 2011 issue of Muscle Car Review Magazine.

Read the tech article on Tuning Engine Compression, brought to you by the experts at Chevy High Performance Magazine ...

CHECK OUT: Audi looks back at 40 years of 5-cylinder engines When you want power, the compression ratio drops and the turbocharger makes use of more boost.

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!