Since most manufacturers offer different axle ratios for their trucks, it is sometimes difficult to decide which axle ratio is right for a truck. Hence understanding what axle ratios mean and how they ...

But BMW never offered a factory limited-slip differential (LSD) option for the 335i and 135i, and the cars come with an awful open differential.

Every vehicle comes with an axle gear ratio number, but not everyone knows why it's important. Here's how to read the ratio and what it means.

Clutches and a spring rest between the differential housing and side gear to limit axle slippage if one wheel loses traction.

Recently, we swapped out the gears in its 8.8-inch rear differential for 4.09s and upgraded the open diff with an Eaton Posi. Then it was the time to face Ford’s Twin-Traction Beam (TTB) front ...

Every vehicle comes with an axle gear ratio number, but not everyone knows why it's important. Here's how to read the ratio and what it means.