As far as off-road performance goes, there's nothing you can do to your Jeep that will make as big a difference as adding a rear locker. And once you add a front locker, you'll be amazed at the ...

I have a 1994 Grand Cherokee, 5.2 V-8, automatic, NP242, Dana 30 front and a Ford 8.8 rear with the factory limited-slip differential, both with 4:10 gears and 33-inch tires. This is my daily driver, ...

Locking differentials are a type of differential used in vehicles to improve traction and handling, especially in off-road or challenging terrain conditions. The purpose of a locking differential is ...

Learn when to use center, rear, and front differential locks for maximum off-road traction. Discover how each lock works on ...

Broadly speaking, differentials can be categorized into open, locking, and limited-slip, and each of those types of differentials can be mechanical or electronic. In its most basic format, an open ...

Mark McNabb was a contributor at TopSpeed from 2013 to 2018. Growing up, Mark always had a mind for tinkering on random items throughout his home and dad’s garage, including a 1953 Ford Mainline and ...