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Regearing.. Help!

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Old May 10, 2010 | 05:44 PM
  #1  
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Default Regearing.. Help!

Looking at a shop nearby to do the re-gear for me but I just wanna know what im getting into before I go and talk to them. I have a 6 spd '08 Sahara Unlimited with just under 35 000 kilometres on it, cant find anything on build sheets or anything but im pretty sure I have 3.21's (no tow package). From what i've been able to gather im going to need a new carrier in the front but not in the back? Aside from new r&p's what else do I need? Overhaul kits? or Install kits?
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Old May 10, 2010 | 06:09 PM
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at the dealer they could run your vin and tell you.
i thought all sahara models had the 3.73s if they were a stick
the other option is to jack the rear off the ground and spin the driveshaft with your hand and see how many rotations it takes to make the tire spin one revolution.......a little over 3 means 3.21 almost 4 means 3.73
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Old May 10, 2010 | 06:10 PM
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Originally Posted by Adam3612
Looking at a shop nearby to do the re-gear for me but I just wanna know what im getting into before I go and talk to them. I have a 6 spd '08 Sahara Unlimited with just under 35 000 kilometres on it, cant find anything on build sheets or anything but im pretty sure I have 3.21's (no tow package). From what i've been able to gather im going to need a new carrier in the front but not in the back? Aside from new r&p's what else do I need? Overhaul kits? or Install kits?
-New carrier for the front (or locker)
-Overhaul kit (install kit w/ bearings) isn't necessary but sometimes certain shops will require you to purchase this because the original bearings can get damaged on removal.

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Old May 10, 2010 | 06:10 PM
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i just saw you have a superchip and mine displays what gear ratio you have stock its like in the main menu of it try that too
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Old May 11, 2010 | 04:00 AM
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Thanks for the info guys!
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Old May 11, 2010 | 08:32 AM
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A build sheet with VIN # is the best....this link also helps..

https://www.jk-forum.com/forums/jk-write-ups-39/gearing-82262/
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Old May 11, 2010 | 08:50 AM
  #7  
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Originally Posted by mjturner1105
at the dealer they could run your vin and tell you.
i thought all sahara models had the 3.73s if they were a stick
the other option is to jack the rear off the ground and spin the driveshaft with your hand and see how many rotations it takes to make the tire spin one revolution.......a little over 3 means 3.21 almost 4 means 3.73
Nope 08 Model Sahara's either came with 3:21 gearing unless you added the Factory Tow Package then it came with 3:73 gears.
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Old May 11, 2010 | 08:52 AM
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Originally Posted by Adam3612
Looking at a shop nearby to do the re-gear for me but I just wanna know what im getting into before I go and talk to them. I have a 6 spd '08 Sahara Unlimited with just under 35 000 kilometres on it, cant find anything on build sheets or anything but im pretty sure I have 3.21's (no tow package). From what i've been able to gather im going to need a new carrier in the front but not in the back? Aside from new r&p's what else do I need? Overhaul kits? or Install kits?
Let me know on pricing. What gears are you thinking 4:88's??? I would like to do this down the road sometime when I have some extra funds.
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Old May 11, 2010 | 01:27 PM
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Originally Posted by TripleJeep_99
Let me know on pricing. What gears are you thinking 4:88's??? I would like to do this down the road sometime when I have some extra funds.
I was thinking more along the lines of 4.56's but apparently those are hard to come by, i''ll get 4.88's if I have to but I hate the thought of running such high rpm's on the highway. I'm only running 33" duratracs and have no plans to go bigger so 4.56 would probably be better suited for me, when I get a final cost on everything i'll let you know. No doubt i'm gonna run into some added costs because of the LSD and needing a new front carrier and god knows what else, I wish 3.73's had been standard on all jeeps lol.
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