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 ...

Violation: L1 Section 20.14.2 Rear Suspension I-4 f Truck Trailing Arm Spacers/Pinion Angle Shims. Spacers/pinion angle shims must conform to the following drawing: A-008-01016d-16 REV. A. Notes: 6 ...

NASCAR has decided to increase the penalty for the infraction that has "encumbered" two Monster Energy Cup Series victories this season. Specifically, their truck trailing arm spacers and pinion angle ...

Last month we covered the installation of a Rubicon Express 2.5-inch uspension system on our '89 YJ. We actually got over 4 inches of lift in the front and over 3 inches in the rear thanks to the Jeep ...

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 ...