In the automotive world, especially when it comes to off-road trucks and SUVs, differentials come up all the time. Is your differential locking, limited slip or open? Do you have a transfer case? One ...

Engineering Explained is back with a new video, this time on how to replace the rear differential in a Honda S2000. In this case, the swap stems from our host, Jason Fenske, using this opportunity to ...

If you’ve ever played with a Hot Wheels car, and of course you have, you know the toy does a great job of going in a straight line but doesn’t turn very well. That’s because it doesn’t have a ...

Have you ever tried to accelerate quickly to merge onto a high-speed highway in bad weather and been stuck spinning one wheel? Open differentials are important when making turns as they allow for the ...

Here's a scenario for you: One day while you're driving to work, you are abruptly alerted to the fact that something is not happy in the rear end of your ride. Maybe something has either A) broken, or ...

There are many possible differentials to use in the rearend of your car. Before making your decision you should determine how you will use the car, how streetable you want it to be and how much you ...

What if the hot rod is not a racecar or mega-horse street flier, but rather a cruiser running in the mid-400-horse range that will never see the track? Building a rear end capable of withstanding 800 ...

A few weeks ago, I went to the amazing Auburn Cord Duesenberg Automobile Museum in Indiana, where I learned about an axle that has not just one gear ratio like in pretty much all modern cars, but two.

While it’s likely seldom done, some vehicles’ maintenance schedules do include an interval for changing the differential fluid, though perhaps only under “severe service” conditions such as frequent ...