You push a truck hard enough – even a heavy duty model – and something’s going to give. When mechanic Dave Adair cracked the diff locker on his 2007 Chevy 2500 HD, he decided to step up to something ...

Pitching the stock differential out from under a GM car in favor of a 9-inch Ford has always been the best way to step up the drivetrain for drag racing. Since the price of used 12-bolts has ...

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

Project RangeRunner has undergone quite a transformation over the past several months, and with suspension and power out of the way, it was time for us to start looking at traction options. With the ...

GALESBURG, Mich.--(BUSINESS WIRE)--Power management company Eaton today announced its Vehicle Group is now offering Master Differential Install Kits that simplify the process of upgrading to an Eaton ...

You've already heard why four-wheeling without locking diffs is really two-wheeling, or in some cases, one-wheeling. The question is, what to do about it. The answers depend on what you drive, how ...

There are many possible differentials to use in the rearend of your car. Before making your decision you should determine how you will use the car, how streetable you want it to be and how much you ...