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 ...

The phone call to the Tremec tech line went something like this: "Yea, I just bought your Magnum six-speed and put it in my car. The overdrive is great, I love it but now I've got a vibration that ...

There are basically four types of drive axle suspension systems for medium- and heavy-duty trucks: rigid mount, steel leaf springs, rubber blocks and air ride. The choice between systems directly ...