Differentials are what allow the wheels on a vehicle to actually move around effectively. Open differentials are common, but limited-slip ones are special.

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. To turn engine power into controllable motion, cars rely on something called the differential. A differential allows wheels on the ...