An angle grinder is one of the most widely-used power tools, in part because it’s fun to use and in part because it’s so effective at removing material. Unfortunately, among power tools, it’s also ...
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 ...