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Outdoor & Recreation
Campers, Vans & 4WD's
4x4 downhill creep terrible what are my options
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<blockquote data-quote="mudgee hunter" data-source="post: 565975" data-attributes="member: 9124"><p>There are 4x4s out there that have open centers front and back! ( generally older) . </p><p>Some just have LSD in the rear. </p><p>Some 4x4s offer a selection, that allows it driven on a sealed road like an all wheel drive, the front and rear drive shafts are NOT fully locked up in sync. </p><p>The front drive shaft can spin at a different ratio, Allowing for cornering ( where they can become out of sync) </p><p>A fully locked position selected for the center diff , will keep both drive shafts turning at exactly the same ratio, With out any give. </p><p>Thus making it it very difficult to do U-turn on a sealed road say. </p><p>Then you may have the option of a low range. Usually about a 50% ratio reduction.</p><p>Open front diffs, even when fitted hub locks... are pretty hopeless. </p><p>One wheel will still free spin when in mud or elevated off the ground. </p><p>And to my knowledge descending no matter what range you are in, they are basically free spin on one side...</p><p>This also shows the reason for after market diff locks mostly being fitted to the front. </p><p>Some 4x4s have the option of a diff center swap. ( fitting a rear LSD center, to the front) .</p><p>But these still mostly rely on clutch packs.</p><p>For all the mucking around to do this , fitting a lauto unchbox locker is the go if you have manual hub locks. </p><p>Don't fit these to the front if you do not have un/lockable hubs but.</p></blockquote><p></p>
[QUOTE="mudgee hunter, post: 565975, member: 9124"] There are 4x4s out there that have open centers front and back! ( generally older) . Some just have LSD in the rear. Some 4x4s offer a selection, that allows it driven on a sealed road like an all wheel drive, the front and rear drive shafts are NOT fully locked up in sync. The front drive shaft can spin at a different ratio, Allowing for cornering ( where they can become out of sync) A fully locked position selected for the center diff , will keep both drive shafts turning at exactly the same ratio, With out any give. Thus making it it very difficult to do U-turn on a sealed road say. Then you may have the option of a low range. Usually about a 50% ratio reduction. Open front diffs, even when fitted hub locks... are pretty hopeless. One wheel will still free spin when in mud or elevated off the ground. And to my knowledge descending no matter what range you are in, they are basically free spin on one side... This also shows the reason for after market diff locks mostly being fitted to the front. Some 4x4s have the option of a diff center swap. ( fitting a rear LSD center, to the front) . But these still mostly rely on clutch packs. For all the mucking around to do this , fitting a lauto unchbox locker is the go if you have manual hub locks. Don't fit these to the front if you do not have un/lockable hubs but. [/QUOTE]
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Outdoor & Recreation
Campers, Vans & 4WD's
4x4 downhill creep terrible what are my options
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