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Unread 09-17-2011, 10:59 AM   #1
batcave4
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1986 CJ7 
 
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Gearing Set up Advice Please

Right now my 86 CJ is set up as a 3.43 in a DANA 44. Trouble is I cant find a limited slip carrier to replace the damaged one. Any advice on what I should should set up as instead.


Last edited by batcave4; 09-17-2011 at 11:16 AM..
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Unread 09-17-2011, 11:05 AM   #2
W7NB
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Tell us a little more about the jeep and how you use it - tire size, any other mods. Do you use it in the winter as a DD, is it a mall crawler?

I would be more likely to go with something like a Detroit Softlocker or a selectable locker if I had the factory LS carrier I needed to replace. 3:43 suck any way you look at it unless you are running stock tires.
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Unread 09-17-2011, 11:17 AM   #3
batcave4
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Background, right now it has 32" tires but they are done and the rims are garbage as well so those will be getting tossed.

Also will only be doing some trail riding, plan to use it as a daily driver in the summers in WI and store it in the winter.
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Unread 09-17-2011, 12:01 PM   #4
gojeepin
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Quote:
Originally Posted by batcave4 View Post
Right now my 86 CJ is set up as a 3.43 in a DANA 44. Trouble is I cant find a limited slip carrier to replace the damaged one. Any advice on what I should should set up as instead.
I was unaware of a 3.43 for the Dana 44.

I show...

Ratio: Teeth per ring/pinion
2.87: 43/15
3.00: 45/15
3.07: 43/14
3.23: 42/13
3.31: 43/13
3.50: 42/12
3.54: 46/13
3.73: 41/11
3.92: 47/12
4.09: 45/11
4.27: 47/11
4.56: 39/8
4.78: 43/9
4.89: 44/9
5.13: 41/8
5.38: 43/8
5.89: 53/9
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83 CJ7, 4.1L 6cyl (4.0L bored .030" over), 35" tires, T-5 transmission, Dana 300 TC, Trussed AMC 20.
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Unread 09-17-2011, 12:05 PM   #5
batcave4
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Yeah, mechanic just called...its the 3.23.
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Unread 09-17-2011, 02:02 PM   #6
80cj
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Differential carrier breaks for a Dana 44 are 3.73 and lower and 3.92 and higher. You need a 3.73 carrier/LS unit.
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Unread 09-17-2011, 09:02 PM   #7
batcave4
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Thanks for the help so far. Anyone have a lead on this carrier in LS?
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Unread 09-17-2011, 09:26 PM   #8
80cj
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Quote:
Originally Posted by batcave4 View Post
Thanks for the help so far. Anyone have a lead on this carrier in LS?
LS is Limited slip. there are many limited slip options available for a Dana 44. Among the best is the Trutrac which is gear driven and does not require any special oil or friction modifier and is pretty much transparent on the street. The strongest is the Dana-Spicer Power Lok which is a friction clutch type with 4 spider gears and does require limited slip compatible oils and sometimes friction modifier depending on how tightly it is setup. Others include the Dana Trac Lok and Auburn to name a couple more. In my experience, the Trac Lok is the least effective.
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Unread 09-18-2011, 04:22 PM   #9
batcave4
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Thanks for the help everyone, went with the trutracs and a 3.73 setup. Pic of whats its going into.

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Unread 09-18-2011, 04:49 PM   #10
W7NB
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Sounds like a good combo. As long as you are staying with the 32's the 3:73 gears will be fine.
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Unread 09-18-2011, 05:23 PM   #11
batcave4
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Quote:
Originally Posted by W7NB View Post
Sounds like a good combo. As long as you are staying with the 32's the 3:73 gears will be fine.
I sure hope so.

Last edited by batcave4; 09-18-2011 at 05:46 PM..
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Unread 09-18-2011, 07:08 PM   #12
BSInc
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You'll love the truetracs after your first trail.
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