These valves have a special molded shuttle designed for quick exhaust valve service. They stop lubricant back-flow through the control valve on the exhaust cycle that lets progressive oil flow to the ...

Cylinder head valves normally will not just bend unless the engine has experienced some sort of trauma. Bent valves can occur as the by-product of a timing belt failure, as the valves strike the ...

Too often, pneumatic circuits are sized based on the valve’s flow coefficient, C v, without considering other system components. In the past, focusing on the valve alone often sufficed because air was ...

Brian Cooley is CNET's Editor at large and has been with the brand since 1995. He currently focuses on electrification of vehicles but also follows the big trends in smart home, digital healthcare, 5G ...

A Cessna 172 experienced a rough-running engine, leading to troubleshooting that identified uneven cylinder temperatures, specifically low readings in cylinders 4 and 6. The issue was traced to a ...