Bigger tires and a lift kit are the first two modifications most people make to their 4x4s. But after they've gotten the look they want, they find out that even with aggressive tires their truck still ...

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 ...

There are lockers and knockers, limited slips and Sure Grips. Sometimes they're called Positractions and sometimes much worse. But this name game is really about the concept of pushing equal measures ...

Although the differential is often at the rear of the car, it’s in the front line as far as performance is concerned. As engine performance is increased and stronger driveline components are needed to ...

When it comes to a rearend, one specific part plays the greatest role in how the rear functions and handles power: the differential. This device is designed to deliver power to the driven wheels while ...

There are many possible differentials to use in the rearend of your car. Before making your decision you should determine how you will use the car, how streetable you want it to be and how much you ...

Putting power to the pavement is more than just stomping on the go-pedal, there are complex mechanical events that happen between your foot and the tires. It is a common thread in performance circles; ...