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limited slip diff

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zadie | 12:04 Fri 07th Apr 2006 | How it Works
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How does it work
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I usually dislike posting links, but this one has a visual aid that helps in the description... better than I could do using words alone...


http://www.4x4abc.com/4WD101/ls.html


In simple terms, if one driving wheel starts to spin because it is in mud or on ice etc the driving force is diverted more to the other driving wheel.

case one: normal diff; one wheel spins & all the drive from the gear box goes through this wheel and none to the other wheel.


case two: limited diff; one wheel spins, the diff only allows a certain amount of differance between the amount of drive to each wheel. (it limits it ) when this limit is reached the diff then drives both wheels about equally. it does't allow all/most of the drive to dissappear down the spinning wheel,so you don't lose all your drive.


case three: diff lock; turn on diff lock and drive is equal to both wheels even when one has no grip.(electronics in modern vehs allow for different turning circles of inner & outer wheels)

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Many thanks to all - these answers were a great help to my husband.

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