The 2016 GMC Sierra HD lineup is equipped with the Eaton Locker automatic locking rear differential, and it comes in handy during times where getting traction can be difficult. It’s what GMC refers to ...

Locking differentials are a definite game changer when it comes to off-roading. They increase traction by forcing both tires on an axle to turn. But what is a locking differential? Car people will ...

If you’ve ever played with a Hot Wheels car, and of course you have, you know the toy does a great job of going in a straight line but doesn’t turn very well. That’s because it doesn’t have a ...

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, ...

Driving with the diff lock engaged on dry pavement isn't just a bad habit. It's a quick way to strain your drivetrain and make the whole car feel off. The tighter the corner, the worse it gets. Your ...