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Old 06-21-2011, 01:27 PM
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Wildcat Wildcat is offline
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What wannab was saying may be a little misleading. Differentials are set up with gears that allow transfer of power to the way of least resistance. This is designed to avoid excess wear going around corners, because the two tires will travel a different radiuses, and therefore different distances (different numbers of rotations) to navigate the same turn. If all four tires are met with equal resistance, they will all four turn. However, if one tire on one axle gets hung up on a rock, stuck in deeper mud, the opposite tire will receive the power.

You can purchase an aftermarket locker for your rear axle, and if you are going to do it, Detroit makes the best ones. They replace the carrier and spider gears allowing equal force to be distributed to both tires. The disadvantages are added wear on all axle components and quicker tire wear. In the front axle, a locker will make steering more difficult because the inside tire will have to slip in order to allow enough rotations on the outside tire to make the turn.
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