Check out this engine compression test, leakdown, and bubble tests. Read more only at www.highperformancepontiac.com, the official website for High Performance Pontiac Magazine!

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.

It's interesting to note that when we ran the back-to-back tests on high-compression and low-compression test motors equipped with superchargers (both Kenne Bell and Vortech), the boost pressure ...

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

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.

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

I'm new to doing compression test, so here is what I've done so far. I warmed my car up, disconnected the coil pack wires, put a block on the throttle to hold it open - and then performed a dry test, ...

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.