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.

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

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

How to Calculate Compression Ratio from Scratch As an example, let’s calculate the CR for a popular big-block Chevy application.

So I found this guy selling a slightly used BMW stroker motor. 3.0 now a 3.4 via big crank, 10:1 compression lightened pistons, 15% flow increase on ported/polished head, mild cam, and a bunch of ...