Wet flow testing has moved in and out of the realms of mainstream power topics many times during the last 40 years. Like many aspects of race engine development that are a step aside of normally ...

The art of creating great cylinder heads includes many different things, but a large portion of it comes from lots of time spent with a grinder in hand and in front of a flow bench, determining just ...

Power-adder Coyote fans are a happy bunch. The free-breathing V-8 eagerly responds to power inducements, and enjoys well-engineered cooling and fuel systems. Up to the octane limits of pump ...

During one of our never-ending technical discussions, Jim Grubbs at Jim Grubbs Motorsports (JGM) suggested that we take a look at the flow difference between 30- and 45-degree valve seats. While ...