3.73 to 4.56, dana 44 carrier? - JeepForum.com
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post #1 of 4 Old 10-17-2006, 02:01 AM Thread Starter
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3.73 to 4.56, dana 44 carrier?

hello there,

i am going to regear from 3.73 to 4.56 for my 33s, i was told that i should get rear dana 44 carrier, i dont know what this is actually, can u give me a product number of example so that i'd buy one. and since i have limited slip, should i go with limied slip carrier or open carrier.

thx alot,

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post #2 of 4 Old 10-17-2006, 07:35 AM
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i'm not sure that your limited slip will fit the new carrier. I went from 3.73s to 4.88s and it does require a carrier change. I went with a Detroit Locker which completely replaces the carrier. Is it the Factory trac lock?

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post #3 of 4 Old 10-17-2006, 07:45 AM
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The carrier break for a D44 is 3.92, so anytime you cross this # when regearing, you'll need a new carrier.

The carrier is what the ring gear bolts to. With a lower gear ratio (higher numerically), the ring gear gets thicker, and therefore, different spacing is required in order for it to mesh properly with the pinion gear.

The link below is an example of an open carrier that is made for 4.56 gears. With this, I believe you would lose your limited slip. Though I'm not sure if you can or can't transfer your limited slip internals over to this open carrier:

Your other option is to get a "thick" 4.56 gear set. Then you could reuse your existing limited slip carrier.

Here's an example of a thick D44 4.56 gear set. Its actually 4.55 which works fine with 4.56 gears in the front axle:

Whether or not you want to keep the limited slip is up to you. Its better than nothing, but it still leaves a lot to be desired off-road.

Something else to consider - you could do a locker at this time and it wouldn't be any extra labor. Some lockers act as the carrier and are commonly referred to as full-case lockers. Examples of these would be an ARB, Detroit SofLocker, Ox, etc. The ring gear bolts directly to these style lockers, so a new carrier is not required if you go this route.
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post #4 of 4 Old 10-17-2006, 07:51 AM
Derik Schneider
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I think you need a locker!
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