In garages, on trails, and around campfires, debate will always rage over what single modification is most effective in creating a capable 4x4. Is there one magic mod that can dramatically improve ...

Thanks to auburn gear, the chew 3-series 12-bolt posi is back! Chevy's beefy 12-bolt differential has always been the rearend of choice among Bow-Tie musclecar enthusiasts. Unfortunately, in recent ...

The Japanese say torque vectoring reduces steering effort. The Germans will tell you that these trick differentials increase dynamism (whatever that means). And the Americans—just now getting started ...

Transmissions and transfer cases are connected to axles using driveshafts, and those connections use U-joints and yokes. While the typical wear item in these links are the U-joints, there are times ...