LSD allows the two wheels on the drive axle to rotate at different speeds while providing a certain degree of "locking ratio" between them. The earliest mass-produced LSDs used a multi-plate clutch ...

The old saying goes, “Out of sight, out of mind.” So, unless your Mustang’s rear axle has been complaining, it’s easy to take it for granted. Aside from receiving stronger shafts or a steeper gear set ...

Performance cars have limited-slip differentials, period. The "One Wheel Peel Deal" isn't any more acceptable than running 17s in the quarter-mile. Unfortunately, it seems the only way to get both ...

One of the most significant performance modifications you can make to a 4x4 to increase off-road prowess is the addition of a traction-adding device. Or better yet, two. Traction-adding devices ...

Virtually every road car is equipped with some sort of a differential and it’s vital to the way a car performs – without one negotiating a corner would be difficult. The differential’s main purpose is ...

They're both supposed to spin. That's all there is to it. When you stab the long pedal on a performance car and the smoke clears, there should be two black stripes of equal length on the ground. When ...

Subaru has carved a niche in the vast automotive industry by doing one thing: equip every single car it sells with an all-wheel-drive system. That's minus the BRZ, of course, which features rear-wheel ...