To turn engine power into controllable motion, cars rely on something called the differential. A differential allows wheels on the same axle to rotate at different speeds. If you want more information ...

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 ...

We take our differentials for granted, right? Of course, we expect our vehicles to navigate turns without scrubbing the inside tires or hopping the outside ones. But how does a diff do that? Look for ...

Broadly speaking, differentials can be categorized into open, locking, and limited-slip, and each of those types of differentials can be mechanical or electronic. In its most basic format, an open ...

As the How It Works series progresses, we edge closer and closer to a car's ultimate goal—which is, of course, to put power to the pavement. Lost month you learned about how a transmis-sion directs ...

How does a car's differential work? You probably have a vague understanding. Some stuff spins, some stuff doesn't, and somehow, the result allows your car to drive around a curve without shredding its ...