Pinion angle simply refers to the angle of the differentials pinion in relation to the driveshaft. But ask 10 guys about optimal pinion angle and a lively debate will ensue. To get a range of opinions ...

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 ...

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 ...