The joke, explains Wudy, is that it should really be called the Detroit Un-Locker: Rather than reacting to a spinning wheel, it will “unlock” the wheel that needs to spin faster, as in a turn, and let ...

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 ...

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 ...