At the end of the day, an internal combustion engine is just an air pump. Proper airflow in and out of the engine is thus critical to efficiency and power. The valves atop (sometimes on the side) of ...

In this video, a valve lash adjustment is performed on a 1995 GMC Suburban's 5.7L engine while the motor is running to address a persistent ticking noise. The ticking sound is suspected to be caused ...

The choke valve in an engine's carburetor, whether it's a Holley carburetor or another brand, helps a cold engine start by restricting some of the airflow into it. When the engine is cold, the choke ...

Desmodromic valvetrains allow for higher revs without needing to worry about valve float. So why do automakers not often use ...

With so many of our discussions lately revolving around the valvetrain, we thought you might like to finally learn how to get the best performance from yours. High-performance valvetrains can take ...

Adjust your own valves and you become a man. When you go forth into the world, lesser souls shall part before you like the Red Sea. Women will sense your well-oiled, mechanically capable aura and ...

One of the most overlooked areas within the valvetrain for a performance engine is pushrod length. Veteran enthusiasts may scoff at this because, back in the day, you just dropped in a set of stock ...