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Old 05-24-2013, 09:53 AM   #1
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What gearing is best?

I have an 06 Wrangler X with 32s and a 4.5" suspension lift. Wondering what ideal gearing would be. It's my daily driver so I need it to perform on the highway daily (but it's less then a 10 minute hwy commute so not talking about a gas saver). I know NOTHING about this so please share any and all info with your opinion.

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Old 05-24-2013, 09:56 AM   #2
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What transmission do you have? Do you plan to ever get to 33" or 35" tires?

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Old 05-24-2013, 09:57 AM   #3
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What transmission do you have?
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Old 05-24-2013, 11:10 AM   #4
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Quote:
Originally Posted by Jerry Bransford View Post
What transmission do you have? Do you plan to ever get to 33" or 35" tires?
4.0 Auto...no plans to ever go to 33 or 35s.
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Old 05-24-2013, 11:34 AM   #5
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I have that same transmission & it requires a lower axle ratio than someone inexperienced with that transmission would assume would be appropriate. For 32" which is close enough to 33" for government work, I'd go with 4.88. The issue with the 42RLE transmission which you & I both run is it has such an unusually high Overdrive ratio, .69, that it requires an unusually low axle ratio to compensate. 4.88. Really.
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Old 05-24-2013, 11:53 AM   #6
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I appreciate the explanation with that. I probably should have asked this first but what kind of cost am I going to be looking at with this? Parts only at this point is what I am curious about.
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Old 05-24-2013, 12:16 PM   #7
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Parts are probably just over $600. However, it's a complex & exacting enough job that I would plan on having someone else install them. Typical out the door costs including all parts & labor is anywhere from $1200 if you're a good negotiator to $1600. Some shops try to charge even more than that.
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Old 05-24-2013, 12:48 PM   #8
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I just bought 2 sets of Nitro 4.88's for my Rubicon from Justdifferentials.com. They were $680 including shipping and the new install kits.
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Old 05-24-2013, 01:11 PM   #9
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How do i get my speedometer and odometer back to accurate?
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Old 05-24-2013, 02:27 PM   #10
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How do i get my speedometer and odometer back to accurate?
With a new speedometer gear that goes in the t-case tail housing.
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Old 05-24-2013, 02:39 PM   #11
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Looks like you would need a 43. This chart was dead on for me.

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