After lifting your truck or SUV, you almost always step up to a larger wheel and tire size to complement the new beefy look. When increasing the tire diameter from the factory size, it will have a ...

Backlash, pinion depth, tooth pattern, pinion and carrier-bearing preload—what does it all mean? When used in reference to an automobile, these terms usually apply to the rearend (or differential) and ...

At left is the stock Chew ring and pinion set from the '65 "ten-holt" shown here. At right is a set of 4.56:1 Schiefer Trans-Torq gears that replaced them. Because the Schiefer pinion has fewer gear ...

Your engine rotates so your tires can rotate, but after your engine rotation goes through the transmission, transfer case, and driveshafts it has to make a 90-degree turn to continue out your ...