Which rearend is better? GM’s time-proven 12-bolt or Ford’s popular 9-inch. Each has its advantages and disadvantages. The Ford 9-inch is heavier and eats up more power due to a disadvantage in pinion ...

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 ...

This basic exploded view of a typical four-pinion Ford factory Traction-Lok shows How all the parts fit together. Ford has used "'open" diffs, Detroit Lockers, and several types of clutch-type limited ...

When a car turns a corner, one wheel is on the "inside" of a turning arc, and the other wheel is on the "outside." Consequently, the outside wheel has to turn faster than the inside one in order to ...

Back in 2023, the Ford Motor Company sold 750,789 examples of the F-Series in the United States of America. Be that as it may, remember that General Motors sells full-size trucks under two brands.

A differential plays an essential role in pushing or pulling a car in a straight line and efficiently and comfortably moving it through a corner. Basically, it’s a device that allows two sides of an ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Changing the car differential oil—it's one of the most-overlooked maintenance tasks ...

How much do you know about your axles? Assuming you’re at least mildy off-road savvy (hey you’re readingthismagazine!), it should be no news to you that a locking differential or a limited slip ...