Gearheads often talk of limited-slip and locking differentials, but how do the "standard" mechanical diffs compare with ...

Your rear differential is one of the most unappreciated parts in your car or truck. It does what might be the hardest job of all of those components, multiplying torque from your transmission and ...

Front and rear differentials may look like they are sealed and would last forever. Not so. Gear lube tends to naturally break down over time and it also absorbs moisture on its own accord in all ...

There might be a whining, grinding or growling noise coming from the rear of your car. The noise may be constant or only when accelerating or turning. And it could be so subtle that you forget it’s ...

The rearend is often the last part of the drivetrain to be considered when building a car, and it usually receives attention only after something breaks. With good high-performance rearends available ...

Quadruple-digit-horsepower 2003-2004 Terminator Cobras are so commonplace these days that it’s easy to forget the cars were designed for nearly one-third that figure. Add sticky tires, hard launches, ...