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.

While an engine compression tester may not be the most common tool in a mechanic's garage, they can be very useful, especially for older cars.

Compression test kits do just what they say: measure the ability of each cylinder of your engine to combust the fuel/air mixture without losing any of the resulting energy.

Some engines use a spark to ignite their fuel, and others rely on compression. What does all of that mean? And how do the two kinds of engines differ?

Called combustion ignition (when it’s done on purpose), that sparkless combustion is central to Mazda’s newest engine. Compression ignition is how diesel engines run.

We walk you through a compression test, a great way to determine the condition of your valves and piston rings.

Compression ignition engines are a big breakthrough—we got to try one It's called Spark Controlled Compression Ignition, and Mazda made it work.

What is compression ignition? Compression ignition basically is the term that is used for describing the manner in which diesel engines function.

A homogeneous charge compression ignition (HCCI) gasoline engine has been something of a holy grail for internal combustion engineers for decades, promising the fuel economy of diesel engines but ...