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Building a heavy-duty rearend for your Mopar used to mean either buying a Sure Grip 8 3/4 or going for the famed Dana 60. Often, due to cost or availability, neither is realistic. Fortunately, there ...

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 ...

Got horsepower? If you are going to do more than go up in smoke, you're gonna need some traction to back it up. The conventional open differentials used in most passenger cars utilize side gears that ...

We tune and tweak, we bore and stroke, and if we're serious, we even blow and squeeze, but there's still only one bottom line: Unless we get the power to pavement, it's all for naught. Tire and ...