This story was originally published online December 14, 2017, and has been edited and reformatted by Tim Bernsau. Building a hot rod means working all the angles, and there are plenty of angles to ...

Pinion Angle We'll now open one of our favorite cans of worms, as whichever expert you consult will give you a different answer, depending on their particular automotive area of expertise. The pinion ...

Shackles are a vital part of a leaf sprung suspension. Flexing of the elliptically-shaped leaves changes the straight line distance between the spring pack's mounting eyes. A shackle is placed at one ...

Torque and horsepower are wonderful things, especially when you've got a rock 'n' roll big-block bolted under the hood of your '64-'72 Chevelle. But that major dose of power is of little benefit if ...