Regear specifics? - JeepForum.com
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post #1 of 37 Old 08-26-2013, 10:27 AM Thread Starter
kaleo333
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Regear specifics?

I'm finally looking into a regear for my 05 liberty sport because as I move to larger tires this winter, I want toake sure I don't lose too much power. I want to get 4.10's for sure, but where exactly should I buy the ring and pinion and what should I be expecting to pay for them. And do I need a new carrier for the front? Would anyone be able to link me to the gears or tell me a shop that could get them for me? With 4.10's what would a good size tire be to still get decent mileage. I was thinking 32's or maybe 31's. How much trimming would be involved for either option, and where? Thanks in advance.

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post #2 of 37 Old 08-26-2013, 11:41 AM
tommudd
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First off what lift do you have and how high are you sitting currently ( middle of the wheel to bottom of the flare)
Since you don't have anything listed its hard to say what you need etc.
But as far as gears go expect 1200-1500 for gears and install
The front diff of course has to be removed to do the gears
Dana Spicer is the only company to make the front gears
Rear there are several but some gears are better than others
30-31s work great with 4.10 gears
For 32s 4.10s work OK but you'll also need 4 or so inches of real lift

04 KJ 4.5 JBA lift, 03 KJ 2.5 JBA coilovers,
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post #3 of 37 Old 08-26-2013, 11:49 AM Thread Starter
kaleo333
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I'm running the BDS 2" lift with a clevis, lift plate, and rear iso's and it puts me at 22.5" which is 3.5 inches of lift I believe. I think I want to get Yukons for the rear gears. Can I find these gears anywhere online or is there an ideal place to purchase them. I know a guy that does lots of suspension and driveline work and he said he can do each axle for about $300 but I need to get the parts. I was hoping for 32's but only if I can get "decent" mileage with them.
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post #4 of 37 Old 08-26-2013, 05:44 PM
tommudd
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32s will be tight with 3.5 inches of lift
some run them but I like a little more room to flex

04 KJ 4.5 JBA lift, 03 KJ 2.5 JBA coilovers,
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post #5 of 37 Old 08-26-2013, 10:49 PM Thread Starter
kaleo333
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Would I have to do any trimming for 32"s or 31"s? And what do you men by more room to flex?
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post #6 of 37 Old 08-28-2013, 05:49 AM Thread Starter
kaleo333
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I think I'm just going to run some 265/75/16 duratracs and deal with any rubbing and trim if I need to.

Where specifically can I get these gears? I just really like to double check on the forum before any work like this...
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post #7 of 37 Old 11-10-2013, 11:36 PM Thread Starter
kaleo333
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Sorry to bring this thread back but... the 4.10 gears are going in this Thursday and tires will hopefully be this weekend. at 3.5" of lift, can I fit anything larger than 265/75/16's? I'm trying to keep the rev's closer to stock without messing up the mileage too much. Any suggestions of good tires over 31.6 inch duratracs?
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post #8 of 37 Old 11-11-2013, 06:10 AM
tommudd
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Bigger=NO
stay with 265-75-16s

04 KJ 4.5 JBA lift, 03 KJ 2.5 JBA coilovers,
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post #9 of 37 Old 11-11-2013, 08:32 AM Thread Starter
kaleo333
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Really? Dang. I was just hoping to get the revs below like 2700 on the highway
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post #10 of 37 Old 11-11-2013, 08:36 AM
tommudd
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Why 2700 ? What does 2700 RPM have to do with it ?
Plus you want to keep the engine in the power band

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post #11 of 37 Old 11-11-2013, 08:50 AM Thread Starter
kaleo333
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2700 isn't an exact goal, I was just hoping for lower revs because I'm on the highway a lot and was looking for a little better mileage, but I'm awake it's a Jeep and I can only do so much
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post #12 of 37 Old 11-11-2013, 08:59 AM
tommudd
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But where did you come up with the 2700 RPMs at ?
and as far as mileage goes, mine with 4.10s and 32 inch Duratracs does 21-22 all the time on the road, extended trip from Northwest Ohio to Philly area the average was a little over 23 . Plus I have aftermarket bumpers, heavier skids, and carry a lot of tools etc

04 KJ 4.5 JBA lift, 03 KJ 2.5 JBA coilovers,
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post #13 of 37 Old 11-11-2013, 09:03 AM Thread Starter
kaleo333
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An rpm calculator for 4.10's, 31.6 in tires and 6th gear (. 84)
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post #14 of 37 Old 11-11-2013, 09:05 AM Thread Starter
kaleo333
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And the problem with bigger tires would be rubbing and more strain on the stock axles right?
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post #15 of 37 Old 11-11-2013, 09:12 AM
tommudd
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You can't run any larger than 32s with that lift, actually should have at least 4 inches with 32s. To run larger you would need deeper gears like 4.56s . I'd like to have 4.56s with my 32s actually but that means going to a steel front diff.
Sure you could hack one up to make them fit but then you are getting into a whole other bunch of problems/ issues
Some of those gear ratio calculators are messed up and are generic so I wouldn't say they were spot on

04 KJ 4.5 JBA lift, 03 KJ 2.5 JBA coilovers,
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