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

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.

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.

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 ...

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.

You’ve heard the term compression ratio before, but have you ever wondered exactly what it means? Well, it’s time to explain exactly what compression ratio is, and why every carmaker is now ...

Forget variable length intakes and variable valve timing, Infiniti is going all the way and introducing variable cylinder compression ratios. The new VC-T turbo engine automatically adjusts ...

Any diesel-engine manufacturer that confidently claims it produces an oil-burner with the “world’s lowest compression ratio,” will no doubt draw the immediate a ...

Arguably the most significant debut of the 2016 Paris auto show is Infiniti’s QX Sport Inspiration concept with its nearly production-ready, variable-compression-ratio four-cylinder engine (VC-T ...

The next-generation Infiniti QX50 crossover will be powered by a turbocharged four-cylinder engine introducing a technology never seen before in a regular production vehicle: variable compression.

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