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 ...

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 ...

In an internal combustion engine, air and fuel are injected into the cylinders, where ignitions occur in a controlled environment. The combustion cycles force pistons to move, and that movement is ...

For an engine to survive all the rocking and rolling it produces, those forces need to be counterbalanced with equal—or at least nearly equal—forces. Today, most production-car engines with more than ...