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Unread 06-16-2010, 02:41 PM   #1
DLR1
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Stock gears

I just bought a 2010 Unlimited, I believe the stock gears a 3.21 (correct me if that doesnt sound right) but i think thats what the window sticker said. Its an automatic if that helps. I've been reading all over this forum about tires and what will fit with no lift kit. I'm looking at going to 31" tires maybe a bit bigger, simular to what the rubicon comes with stock. But will that have any effect with the 3.21 gears? Another note to add, This is my daily driver and only sees dirt trails/ old fire roads and the ocassional mud holes a few time a year when I go Rock climbing at Red River Gorge Kentucky. Thats me rock climbing not the Jeep!

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Unread 06-16-2010, 03:32 PM   #2
ronjenx
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I think the 2010 automatic comes with 3.73 gears.
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Unread 06-16-2010, 03:33 PM   #3
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I'm new here too and hope someone will correct me if I'm wrong, but so far I have learnt from here that in Canada:

If you have any 2010 Unlimited, 32" tires are stock.

If you have an 2010 Unlimited Sport or Sahara, 3.73 gears are stock with the auto.

If you have a 2010 Unlimited Rubi, 4.10 gears are stock whatever the tranny.

Last edited by dogshrimper; 06-16-2010 at 04:33 PM..
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Unread 06-16-2010, 04:08 PM   #4
plac
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yes you have 3.73s. look on the right side of your window sticker and you will see that.
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Unread 06-16-2010, 04:15 PM   #5
plac
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Quote:
Originally Posted by dogshrimper View Post

If you have any Unlimited, 32" tires are stock.
hmm so these guys must have downgraded to 29" tires i guess..

2009 Jeep Wrangler Unlimited X Sport Utility Unlimited X Sport Utility

and here:

2009 Jeep Wrangler Unlimited X Sport Utility Unlimited X Sport Utility
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Unread 06-16-2010, 04:19 PM   #6
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Fair point, maybe it's a 2010 thing or perhaps a Canadian model thing.

Dealer told me that for 2010, the Unlimited Sport came with 17" rims and 32" tires while the Unlimited Sahara (which I have) came with 18" rims and 32" tires

I corrected my earlier post
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Unread 06-16-2010, 04:32 PM   #7
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I stand corrected, looks like you have a base Unlimited Sport model in the States that does come with 16" rims and P225/75R16 tires which I assume are 29"

I'll keep my comments north of the border from now on. Sorry for the confusion
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Unread 06-16-2010, 04:48 PM   #8
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ah thats cool, i was just pointing out another possibility.
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Unread 06-16-2010, 04:53 PM   #9
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Quote:
Originally Posted by plac View Post
Those tires are for people that'll never run off road, or the base base model. The wheels are quite possibly the ugliest things I ever seen.
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Unread 06-16-2010, 04:58 PM   #10
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Back to the OP's question about upgrading to 31's, I guess you'll need to tell us what 2010 model it is that you bought
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Unread 06-16-2010, 05:40 PM   #11
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yes you'll be fine with either 3.21 or 3.73
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Unread 06-16-2010, 06:19 PM   #12
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I think it's funny that the OP had to state that he was rock climbing...not the Jeep!
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Unread 06-16-2010, 06:45 PM   #13
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For your automatic, your stock 3.73 will be perfect for 32" oem tires. Just get Rubicon take off rim/tire set for half the price of new rims and tires. You can always change gears years down the road if you dont like it.
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Unread 06-16-2010, 09:07 PM   #14
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Quote:
Originally Posted by cbloyer81 View Post
I think it's funny that the OP had to state that he was rock climbing...not the Jeep!
Hey I'm from Ohio, not much Rock Climbing for me or the jeep in here, But Red River Gorge, Ky is a hot spot for climbing, also some good jeep trails.
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