To determine whether pressure's escaping from the engine, you need to check the compression in the cylinders. For this job, you need a compression gauge (see Figure 8-9).

Read on as we list ways to figure and measure your compression ratio, total piston volume, and choosing the best pistons. Read on for more details along with photos only in Mopar Muscle Magazine ...

Can't Somebody Else Do It? With buying a new engine, or having your old engine sent out to be rebuilt, your engine builder should normally check the chamber volumes and determine the compression ...

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

The 4-H Small Engine project creates the education and hands-on opportunity for youth to learn all about engines. In this project youth will identify and discover the function of different engine ...