Differentials are what allow the wheels on a vehicle to actually move around effectively. Open differentials are common, but limited-slip ones are special.

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 ...

See how I repair the completely destroyed rear differential on my Jeep TJ Big Bird build! Step-by-step tips, tough off-road lessons, and all the action for Jeep enthusiasts and off-road fans. #JeepTJ ...

You can’t build a fast, reliable street/strip machine and ignore the rearend. Everyone talks about engines and transmissions, but very few talk about differentials. We believe that’s a mistake because ...