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 ...

Follow along as we show you step-by-step how to install a differential and 31-spine axles in your Mustang's 8.8-inch rearend using our 1996 Ford Mustang project car - 5.0 Mustang & Super Fords ...

4x4 utes have become essential tools for many tradies, as their rugged ladder-frame chassis and tough truck DNA mean they can easily carry tools plus a decent payload, tow a sizeable trailer and - if ...

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 ...

Horse Sense:When first installed, the Powertrax No-Slip Traction System is one noisy, clanking son-of-a-gun, but the metal-shop noises from our differential were hugely diminished after just 100 miles ...