It can be argued that there's no bigger bang-for-the-buck performance upgrade than new axle gears. Auto manufacturers are tasked with building a vehicle that is optimized for both highway efficiency, ...

In case your car's rear end is suffering from a leaky seal, or the bearings are a bit on the worn side, or (worse yet) you've destroyed it, don't fret—it isn't that hard to go through it and put ...

When it comes to fixing your differential, there’s bad news and good news. The bad news is that differential replacements are expensive, often ranging from $2,500 to $6,000. The good news is that both ...

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 ...

It's natural when building a hot rod to want to tackle the engine first. After all, the main question you'll hear is, "What's it got under the hood?" Nonetheless, stuffing a big mill into a car with a ...

A differential plays an essential role in pushing or pulling a car in a straight line and efficiently and comfortably moving it through a corner. Basically, it’s a device that allows two sides of an ...