Want to know how healthy or unhealthy your engine really is? Get yourself a compression tester and find out. Despite how complex many modern vehicles are, you can do many common repair and ...

Increasing an engine’s compression ratio is a proven way of ... but the engine self-destructs during an acceleration test, which admittedly didn’t require a crystal ball to predict.

Most engines have a compression ratio of less than 10:1 ... In fact, the little Lada spins its tires on the full-throttle test run, but that's when things like engine balancing, preignition ...