Making sure your engine has proper compression is vital for its health. You can rely on one of two methods to test this, but they aren't quite equal.

Compression: An automotive term used by everybody, forever. Let's get into some detail and maybe develop a better understanding. Pressure, and more pressure: It's a must-have to produce power within ...

Four-stroke engines, which make up 99% of vehicles on the road, rely on a system for managing air intake, compression, combustion, and exhaust within a sealed combustion chamber. Poppet valves are ...

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 maintenance ...

Zahroof Valves (ZVI) is always looking for new and unconventional ways to solve old problems. The company, founded in Houston in 2010, has developed an innovative reciprocating compressor valve ...