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.

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.

After testing we found our used engine doesn't make any strange noises, there are no puddles of oil on the floor, the compression and leak down tests are within specifications.

You've probably heard racers talking about leakdown testing as a method of verifying engine condition. Being a hot rodder, you've probably performed a similar function by using a compression ...

Compression testing can reveal internal engine problems that a visual inspection won't. The easiest way to compression-test an engine is with the engine installed in a running car.

Q: I have a 1973 Corvette with around 82,000 miles. That car is pretty correct and has not been modified. What besides an engine compression test will tell me when the engine is in need of restorat… ...

Increasing an engine’s compression ratio is a proven way of unlocking extra horsepower, but there’s a point of diminishing returns. The team at Garage 54, the Russian mechanics who built a V16 ...

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