Most rear axlehousings are designed to use a shim to locate the pinion at the precise distance to the ring gear. In the case of a GM 12-bolt, Ford 8.8, or Dana 60, for example, the shim is placed ...

I often hear that a high-pinion front axle is stronger than a low-pinion axle, but no one can seem to tell me why. What’s the deal? How much stronger is a high-pinion Dana 30 compared with a ...

If you haven't become impatient and already installed your "beefed posi," we will now tell you the super-keen straight dope on the proper method of installation. If you have installed your unit and ...

Installing new gears and differentials is one of those jobs that even skilled mechanics and fabricators typically don't like to tackle at home for many reasons. Setting up gears requires specialized ...

Linear motors and ball-screw drives seem to hog the limelight when it comes to linear motion. Rack-and-pinion drives, another type of linear motion device, get no respect. But they are perfectly ...