Building a hot rod means working all the angles, and there are plenty of angles to work. One of the more important angles is the angle between your transmission output shaft (which is the same as the ...

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 ...

Stock is not a word used very often in the performance industry. LS engine swaps, transmission changes, beefy rear axles, major suspension mods, and ride height modifications are all part of this ...

Have you recently had your 4x4 lifted and are suffering from a harmonic oscillation that can both be felt and heard? Have you rebalanced your tires or swapped in newly balanced driveshafts only to ...

Heavy-duty trucks are getting larger and more capable every year, and engines are getting more powerful and faster with each passing day, it seems. Meanwhile, SUVs seem to be getting more capable at ...

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 ...

Welcome to another edition of the Fully Equipped mailbag, sponsored by Cleveland/Srixon Golf, an interactive GOLF.com series in which we field your hard-hitting gear questions. I’m new to the game and ...