You ask some great questions, but unfortunately the answers aren’t so cut-and-dried. As you suggested, we are limiting this discussion to rear axles (there’s such a thing as a Dana 70 front) and ...

Horsepower and torque numbers are great for impressing your car buddies. Even rear-wheel dynos are fun, because big numbers at the rear wheels will inspire even the most jaded enthusiast. But the ...

It's never been easier or cheaper to make power. But power isn't the endgame--it's acceleration that makes heroes. Have you ever wondered how those cars with 8-inch tires are able to consistently ...

Detailing a rear axle is a major part of a Mustang concours restoration, right up there with the engine and the front suspension in complexity. There are so many parts, colors, codes, machined ...

Dear Tom and Ray: Hey guys, I found an error in your otherwise good column. The subject was placement of weight in the trunk to make more-effective traction for a ...

Rear axle steering. It’s one of those features that has popped up a few times over the years but was usually ahead of its time. Or at least ahead of the complexity required and the engineering cost to ...

Cargo weight must be distributed evenly across all your axles. And sometimes you have to slide your axles or 5th wheel to redistribute the weight in the trailer. Here’s a guide to basic axle weight ...

On the surface, rear-engine cars make no sense. Having all that weight behind the rear axle is likely to make a car less easy to turn in and more eager to snap into oversteer; counteracting that ...

Good news for Chevrolet Silverado and GMC Sierra half-ton buyers looking for improved performance when towing trailers with GM’s new 6.2-liter V-8: A new 3.73 rear axle option is available. “The first ...

When it comes to fixing your differential, there’s bad news and good news. The bad news is that differential replacements are expensive, often ranging from $2,500 to $6,000. The good news is that both ...