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 ...

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 ...

Having a 500-plus-horse big-block under the hood of our Basket Case 1970 Chevelle project is exciting, but we're going to need a reliable way to convert that rotational power into linear motion. So ...

Many people think that a locked differential means a 50:50 torque split. Actually the opposite is often true. Here’s why. I’ll talk about a normal left to right differential, but the same applies to ...