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

A ring-and-pinion change is one of those mechanical operations that's both simple and complex. It's far below heart surgery, but many four-wheelers still act like they'd rather tackle open heart ...

Recently we tossed on a 4-inch lift and 33-inch Claws on a '97 Jeep Wrangler TJ that's equipped with an extremely tired 2.5L four-cylinder engine. Usually a tire that's only 33 inches tall won't rob ...

Depending on who you ask, discussion of the GM 10-bolt can be a polarizing conversation—people either hate it or love it. There are millions of vehicles on the road today with this axle and ...

A few weeks ago, I went to the amazing Auburn Cord Duesenberg Automobile Museum in Indiana, where I learned about an axle that has not just one gear ratio like in pretty much all modern cars, but two.