Building a heavy-duty rearend for your Mopar used to mean either buying a Sure Grip 8 3/4 or going for the famed Dana 60. Often, due to cost or availability, neither is realistic. Fortunately, there ...

The pickup truck has long been a staple of the American workforce. The truck has jobs to do, things to haul and places to venture through. Some of those places can include slushy snow and mud ready to ...

General Motors has several names for its LSD, or Limited Slip Differential, unit. Commonly referred to as Posi-traction, the exact same clutch-based LSD is also known as Controlled Traction, ...

It's been called the Lincoln Locker for decades, but not because ol' Honest Abe had one in his ride. It's simply 4x slang for the type of machine used to weld your differential's spider gears in place ...

Ten years ago, selectable locking differentials were about as rare as a brain in a celebutant's head. Today, selectable lockers are more common than child-star substance abuse. These lockers can be ...