35in tires & 3.73 gear - JeepForum.com

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post #1 of 5 Old 10-15-2013, 06:28 AM Thread Starter
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2014 JK Wrangler 
Join Date: Oct 2013
Location: Chicago
Posts: 21
35in tires & 3.73 gear

I would like to run bigger wheels and tires. I would like 20in wheels and 35in tires.

What are some of the reasons i should go with smaller wheels? Also will I be OK running 35s with all stock gears/axles (3.73rear Rubicon stock ratio)

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post #2 of 5 Old 10-15-2013, 07:26 AM
1984 CJ7 
Join Date: Jun 2010
Location: Lakeland
Posts: 111
Couple of things here:
Double check your gear ratio, Rubicons come with 4.10.
Second, you're going to get much better responses in the JK tech section. But to answer your question, yes you can run 35s with your rubicon gear ratio. Whether it's efficient or ideal is a different story.
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post #3 of 5 Old 10-23-2013, 11:33 AM
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2004 WJ 
Join Date: Aug 2013
Location: oskaloosa
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That high gears for trails. Should be better on gas though driving the hwy.
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post #4 of 5 Old 10-23-2013, 12:22 PM
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2012 JK Wrangler 
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Location: Lake Havasu City
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since 2012 all AUTO rubicons are 3;73. The reason is the W580 trans has a real first gear. It pulls. The 4:10 is now optional on the auto. I have the 4:10 in ours its to much gear for the stock tires. I can still light up the 35"s if needed. at 3:73 it will be a bit harder to use 5th. Wont tow well, but Jeeps never do anyway. With the rubi in low you will be fine off road too.

I would run it with 3:73, you will use 5th less. Its way to expensive to regear that new jeep. 4:56 gears are hard to get cost a lot. 4:88 will be over geared unless you are going 37"s. If it was 37" auto I would for sure go 4:88.

For the $ the factory 4:1 is well worth the cost of the tow pack/ option. 35"s no issue, even could get away with 37" on 4:10 but you wont need 5th.

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post #5 of 5 Old 10-23-2013, 08:13 PM Thread Starter
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2014 JK Wrangler 
Join Date: Oct 2013
Location: Chicago
Posts: 21
thx that was alot of info I appreciate it guys!!

The subtle mods make it uniquely mine without destroying the original beauty! But most people looking at the forest will never see the trees!!!!
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