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 ...

If you wheel, chances are that you know someone, probably lots of people, with ARB Air Locker-equipped rigs. The venerable Air Locker, a popular import from the land Down Under, has proven itself a ...

A Limited slip differential helps you drive effectively and safely. At times, one of the leading wheels might get stuck when driving on gravel or sand. But if you have the differential, you can keep ...

The standard open differential in most cars is a brilliant piece of engineering, allowing you to take the tightest turns without fighting your tires or tearing your drivetrain apart. But even if you ...

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 ...

If you’re looking to take your 4x4 on more serious adventures, then you’ll likely want to trade in your open differentials for a set of lockers. With the exception of a few well-equipped rigs such as ...

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One of the great bits of tech that remains from the glorious era that was Group B rally racing is the center differential. With it, race beasts from the likes of Audi, Peugeot, Ford, and Lancia all ...