How does cylinder deactivation work? When not needed, the system shuts down fuel supply to the cylinders not being used and closes the valves. There are two ways to accomplish this: 1) rocker arm ...

The upsides of cylinder deactivation systems are obvious: Estimates from the U.S. Department of Energy say they can improve ...

It has been just over a decade since GM V8 engine technology like cylinder deactivation and light-weight oils became standard, how have they impacted sales? This question was raised by a recent ...

General Motors has filed a new patent that offers a look at how the company may be rethinking cylinder deactivation for its next generation of pushrod engines. The application, published by the U.S.

When installing a performance cam, many owners lose the engine’s cylinder deactivation feature. Here’s why you may want to keep it active. Manufacturers of modern V-8 engines have realized that we don ...

Ford has developed a comprehensive range of EcoBoost engines, with everything from tiny 1.0-liter inline-three engines through to supercar-powering twin-turbocharged V6 units. While EcoBoost engines ...