The light but powerful angle grinder is the go-to tool for stripping rust and cutting, polishing, and deburring metal. Likes: Powerful and smooth. Its brake stops the wheel in seconds, and its ...
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 ...