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 ...

Degree, travel, and constant velocity might sound more like physics homework than 4x4 jargon, but don't be confused, for it's all basic terminology associated with your vehicles driveshaft.

One of the most common causes of torsional vibrations has to do with driveline angles between the transmission and front and rear drive axles. Since your drive axles may be a long way from the engine ...

I've been having trouble with driveline vibration on my '78 F-250 SuperCab and I hope you can help me. The truck has a 4-inch Trail Master suspension lift and 33x12.50R15 tires, but it's otherwise ...