37 inch tires on 2 inch lift

limon_three

Member

• Sep 9, 2019

• #1

is it possible? i plan on going bigger than 2 inch lift in the summer but i have an opportunity to purchase 37 inch tires new at a really good deal


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OverlanderJK

Resident Smartass

• Sep 9, 2019

• #2

Any things possible. Depends on your use. Why not buy the tires and wait to install if it’s that good of a deal.


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limon_three

Member

• Sep 9, 2019

• #3

DD for now. Not much around West Texas. sold my 07 JKU and got a 2015 Rubicon JKU that had a 2 inch lift on it.


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tastethebeast

Member

• Sep 9, 2019

• #4

You will definitely need to trim your fenders, front bumper (if full width), and get aftermarket wheels or wheel spacers but it is possible.

limon_three said:

DD for now. Not much around West Texas. sold my 07 JKU and got a 2015 Rubicon JKU that had a 2 inch lift on it.


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danford.lau

Caught the Bug

• Sep 9, 2019

• #5

I have evo enforcer 3” lift with puck spacers to bring it closer to 3.5”. With 3.5” backspacing, my 37x12.5 Cooper stts still slightly rub frame at full turn . Trimmed fenders and had to clearance back wheel well a bit . Also needed to trim rubicon rock rails by 2” . Also cut full width bumper and turned to a mid width .. outside was hitting tire on turn .

2” lift probably better suited for 35s


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desertrunner

Active Member

• Sep 9, 2019

• #6

limon_three said:

DD for now. Not much around West Texas. sold my 07 JKU and got a 2015 Rubicon JKU that had a 2 inch lift on it.


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A few people mentioned front clearance but the rear will also be an issue with 37s depending on the brand and the width of them. My Cooper 37x13.5s didn't fit between the Rubi rails and the stock rear bumper on about 2.5-3" of lift, couldn't even mount them as you can see in the pic. Lots of trimming on the rear front side pinch seam to include a few inches off the Rubi rails and removed the stock rear bumper all together. (Idk if you still have to stock Rubi rails and rear bumper but something to watch for)



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Abntroop

Member

• Sep 10, 2019

• #7

Don’t forget that regear and upgraded brakes as 37’s on a DD w stock gears/brakes is gonna suuuuck.


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desertrunner

Active Member

• Sep 10, 2019

• #8

Abntroop said:

Don’t forget that regear and upgraded brakes as 37’s on a DD w stock gears/brakes is gonna suuuuck.


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Even 4.88s leaves me wanting 5.13s, don't know how I tolerated 4.10s on 37s on my old 08JKUR

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bmkrinne

Active Member

• Sep 10, 2019

• #9

This discussion is why I’ve stayed with 35’s on a 2.5” lift.


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AgBass01

Caught the Bug

• Sep 10, 2019

• #10

I'm having the same debate right now. I'm on 2.5" lift and just had 4.56 gears installed with the intent of going to 35s but started second guessing myself. Glad I found this because it answered a bunch of questions for me.

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F

FenderBender

Member

• Sep 11, 2019

• #11

You'll either have to do a lot of trimming or run a lot of bumpstop.

I had to trim the pinch seam with 3 inches of lift when I jumped up to 37's, so even if you get a larger lift this summer expect some trimming. I also need to trim or replace the stock fenders, even with 3" of bumpstop. I get some rubbing on the rear inner fender liner.

I second the recommendation of gears and brakes. I was using the stock brakes until this weekend. I couldn't lock up the tires anymore with the stock brakes and 37s.

In Colorado, regearing is a must with big tires. The hills here are killer, especially with the 3.8l. You might be able to get by with the stock gears for a while in TX, but gears will make your driving experience nicer.