Traction is always an important issue for pickup truck buyers and owners, especially when towing, carrying payload or just exploring the roads on the way to your favorite campground. A spinning wheel ...

Push a pickup hard enough, even a heavy-duty model, and something’s going to give. That’s especially true of limited-slips and lockers found under diesel pickups used hard in the construction world.

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 ...