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Noob Question on Re-gearing

22K views 14 replies 10 participants last post by  i82much 
#1 ·
Just out of curiosity, I have a few regear questions. I'm new to Jeeps, so please bare with me....

1) When you re-gear, do you need to do both the front AND rear diffs, or just rear only?

2) Most of the time, is it a core exchange thing? Like you buy a D44 with 4.88s in it, then ship back your OEM D44 for a core exchange? If so, anyone you know online that does this?

3)Can the 2012's with auto's be re-geared yet?
 
#2 ·
1- yeas you have to regear both front and rear axles, if you do not you will cause major damage to your drive line, because the wheels front and rear will not be turning at the same speeds.


2 core exchange, yes you can remove the axles ,,,, but thats a major job, its best and cheaper to have a shop do it while the axles are still in the jeep. prices range anywhere from 1500 to 3k for a regear

3- yes 2012 can be regeared, although you will need a pro-cal or other tuner to let the ecu know what you have done, this will fix your tranny shift points and your spedo will work correctly.

hope this helps, good luck
 
#3 ·
Just out of curiosity, I have a few regear questions. I'm new to Jeeps, so please bare with me....

1) When you re-gear, do you need to do both the front AND rear diffs, or just rear only?
You need to do both.

2) Most of the time, is it a core exchange thing? Like you buy a D44 with 4.88s in it, then ship back your OEM D44 for a core exchange? If so, anyone you know online that does this?
No. Think of what the expense would be for shipping your axles. :eek:

3)Can the 2012's with auto's be re-geared yet?
I can't help with this one.
 
#6 · (Edited)
I believe you can regear just the rear so long as you don't engage 4wd, no? Certainly if you disconnect the front driveshaft. Might let you split the install costs over two appointments.
 
#9 ·
Mwerley2012 said:
You can but then it's not a Wrangler... It's a mall something
InvertChaos said:
That is true, but then again, what is a Jeep without 4wd!
Agreed. Again, I only suggest it so as to stagger install costs, not to turn it into a permanent 2wd. :eek:
 
#13 ·
Not sure what your specific situation is, but I think the decision whether to get a Sport or Rubi often comes down to whether the 4.10's are going to be sufficient for whatever tire size you intend to run. If not, you are regearing either way so may as well get the Sport and possibly install lockers when you regear.

Me, I think the stock Rubi package is sweet, 2 door '12 with a stick and 4.10's is perfect for me.
 
#12 ·
So one is looking for about 4.5K for both. I wonder what the value of the entire OEM axle set is. The problem with re-gearing (and I've experienced this when re-gearing my sports cars) is that it is SUCH a sensitive and specialized job, that most shops are simply not qualified to do them.
 
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