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 ...

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 ...

It is easy to take valves for granted. They have been used since the days of the Roman Empire and designs are pretty routine, so people tend to assume that a standard valve will do the job. But that ...

Identify components to test: casing head, tubing head, tree body, master/swab/wing valves, chokes, flanged connections, annulus outlets, VR plug threads. Define barriers: primary (tree + tubing hanger ...