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Old 12-22-2013, 08:21 PM   #1
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JK Unlimited Lift to Tire Proportion

I am looking at getting a 2007-10 JK Unlimited and I'm planning my wish/shopping list and hit a couple road bumps.

I'm confused as to if a 37" tire will work with a 4" lift or if it has to be under a 6" lift

That being said i have seen some jeeps online with 22" rim in a 37" tire and it made me curious if i had to downsize to a 35" tire what rim size i should go for the rim.

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Old 12-22-2013, 09:28 PM   #2
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What are you using the jeep for?

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Old 12-23-2013, 12:17 AM   #3
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mostly on road like streets and stuff and a little off road.
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Old 12-23-2013, 12:59 AM   #4
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How big are the speedbumps at your local Mall?

Going to 37" tires puts much more stress on the drive train, and ~4" lift, this may require replacing your front axles too.

You can run 35's on 15, 16, 17 or 18" rims with out much problems,

Search the forum for "JKU on 35s" and you will see lots of different setups. You can easily run 35s with a 2.5" lift.

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Old 12-23-2013, 01:30 AM   #5
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Old 12-24-2013, 01:34 AM   #6
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I'm interested in a 4" lift will 35's look stupid under it?
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Old 12-24-2013, 06:54 AM   #7
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Originally Posted by BlackRockstarr12 View Post
I'm interested in a 4" lift will 35's look stupid under it?
No, but 22" rimz will. Get a real set of wheels for a Jeep.
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Old 12-24-2013, 07:01 AM   #8
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mostly on road like streets and stuff and a little off road.
Try 16"-18" rims and 33" tires. Even some 15" rims will work.


For your stated usage, the last thing in the world you need are some 37's and a big lift.
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Old 12-24-2013, 08:45 AM   #9
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Quote:
Originally Posted by BlackRockstarr12 View Post
I am looking at getting a 2007-10 JK Unlimited and I'm planning my wish/shopping list and hit a couple road bumps.

I'm confused as to if a 37" tire will work with a 4" lift or if it has to be under a 6" lift

That being said i have seen some jeeps online with 22" rim in a 37" tire and it made me curious if i had to downsize to a 35" tire what rim size i should go for the rim.
It has nothing to do with rim and tires sizes. It's how the 2 look inside the wheel well--too stuffed or too roomy--and that is determined by the lift first. You go from there.
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Old 12-24-2013, 09:56 AM   #10
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if you want a good handling rig...lower cog is best....you can run 37's with a 2.5" lift and flat fenders if you trim the pinch seam and go with a 3.5 offset
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Old 12-24-2013, 11:48 AM   #11
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Also what is the best on/off road tire for 90% on road driving...
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Old 12-24-2013, 02:00 PM   #12
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Also what is the best on/off road tire for 90% on road driving...
Depends on what kind of off-road. Usually I suggest Goodyear Wrangler Duratracs ...
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Old 12-24-2013, 02:34 PM   #13
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Quote:
Originally Posted by BlackRockstarr12 View Post
I am looking at getting a 2007-10 JK Unlimited and I'm planning my wish/shopping list and hit a couple road bumps.

I'm confused as to if a 37" tire will work with a 4" lift or if it has to be under a 6" lift

That being said i have seen some jeeps online with 22" rim in a 37" tire and it made me curious if i had to downsize to a 35" tire what rim size i should go for the rim.
If setup properly, a 4" lift will clear anything including a 40. 3" is enough for a 37 with flatties. The lower the lift the better. Don't confuse lift amount with articulation amount.
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Old 12-24-2013, 02:35 PM   #14
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Depends on what kind of off-road. Usually I suggest Goodyear Wrangler Duratracs ...
Werd. On my 2nd set and they are fantastic.
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Old 12-24-2013, 02:36 PM   #15
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I'm interested in a 4" lift will 35's look stupid under it?
My personal opinion? Yes. 35s look small on anything over a 2.5". Why are you so hellbent on a 4" lift? You will essentially ruin your jeep unless you address some serious issues, not to mention, spend a small fortune dialing everything in. If your jeep is a daily, with mild offroading (dirt roads) don't go above a 2.5" and 35s, and depending on your gears, it might be wise to stick to 33s and a leveling kit.

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