A compression test is to determine how much pressure the engine makes, and a leakdown test measures its ability to hold pressure.

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.

An engine compression test kit consists of a pressure gauge and an assortment of hoses and fittings so that the gauge can be connected to the spark plug holes on each of an engine's cylinders. To ...

A crank compression test can tell you a lot about an engine and we will be going over the numbers. - Super Chevy Magazine ...

A compression test reveals the condition of your engine's valves, its valve seats, and piston rings and whether these parts are wearing evenly.

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.

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 ...

That statement remains valid. While acceptance of the combined loading compression test method has grown steadily — it is now the dominant one — use of the other two has risen and then subsided ...

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