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.

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

An engine compression test kit consists of a pressure gauge and an assortment of hoses and fittings so that the gauge can be connected to the spark plug holes on each of an engine's cylinders. To ...

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

The actual cylinder pressure an engine sees is often referred to as dynamic compression, because (unlike the static built-in compression ratio) it changes dynamically according to camshaft variations.

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 ...

It is the first variable compression engine to reach full production. The company spent 20 years developing the variable-compression-ratio technology and filed more than 300 patents on the design.

Mazda's Skyactiv-X engine is the first in the world to burn gasoline using diesel-style compression ignition. The result? Amazing power and economy.