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 ...

Not to worry, Ava. My wife tells me my rear end is completely gone, too. But she’s still sticking with me. The “rear end” is your mechanic’s shorthand for the differential. The differential is ...

There are several basic rear axle types used in 4x4s, and each have specific design pros and cons. Axle designs can vary in load handling, bearing and flange type, and gearset configuration. In this ...

"No plan survives first contact." A 19th-century Prussian field marshal coined that idea 100 years before Project CC Underbird's triangulated four-link rear suspension and 8.8-inch, Salisbury-style, ...

Sooner or later, it boils down to what direction you're going to go when your Mustang's rear axle wears out. Some decisions are straightforward. If you have a six-cylinder Mustang, stick with the ...

There are certain pieces in hot rodding that reign supreme, they're king, top of the heap, and there's no chance of dethroning them. Be it a full-house Flathead, the big, bad Hemi, or the entire '32 ...

There are a lot of things that make the Mercedes-AMG C63 S Coupe drive as well as we expect it to, and few would think to rank the rear axle limited slip differential with electronic lock very high ...

The differential sits at the rear axle of a Formula 1 car and manages how torque is distributed between the left and right rear ...

Downspeeding saves fuel, and with aerodynamics and tires continuing to improve, truck manufacturers are experimenting with still lower rear axle ratios. I recently took a ride in a Mack Anthem with an ...

Kyle Hyatt (he/him/his) hails originally from the Pacific Northwest, but has long called Los Angeles home. He's had a lifelong obsession with cars and motorcycles (both old and new). If you're the ...