Curious to learn just how healthy or unhealthy your engine is? Get yourself a compression tester and find out. See the best compression testers here.

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.

Knowing how compression ratios are calculated and work can lead to more horsepower on the track and more appearances in victory lane. Find all the details inside Circle Track Magazine.

355ci Small-Block Modest Mouse vs. LS1 Project Groundhog In case you missed the buildups on the two engines, the first was the 355ci small-block Chevy using a 1986-and-later one-piece rear-main ...

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

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.