Will I be able to make 37" tires work with this? - Jeep Garage - Jeep Forum

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Old 06-23-2015, 11:47 AM
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Will I be able to make 37" tires work with this?

So here is what I am looking at, I have the 2014 Willys Wheeler JK (2 door) with the Mopar stage 2 2" lift.

The 2014 has the trimmed pinch seams from the factory, so that should not be an issue.

I plan to add a 1" body lift and Rugged Ridge Hurricane flat fenders, these will add to my Mopar 2" suspension lift.

I also am considering a 0.75" or 1" spring spacer to compensate for all of the added weight of my armor/bumpers. My 2" Mopar lift initially was more like 3-3.5" but as I kept adding steel to the beast, she hunkered down a bit.

The Willys has the 32 Rubicon wheel and tire factory, and my lift has extended bump stops. Going to a 37" tire on a LRG model 106 18"x9" with 0 offset wheel will increase the tire size 2.5" from axle center line compared to the factory 32" BFG MT, so with the addition of the body lift, flat fenders (and existing the suspension lift) am I correct in thinking that I'll be fine with a 37x12.5x18? I currently have a G2 spacer set on my JK, and I may keep them on if the 0 offset is a problem.

I may need to trim the Rubicon Rock Sliders, I believe I've read of people talking about that being an issue with the front of the rear tires.

I also have plans on swapping to a G2 Core 44 or Mopar JK Dana 60 front axle next spring (2016) and going with 4.88 gears all around. That way I will have the Dana 44 with Trac-Lok limited slip in rear and a Eaton E-Locker in front. I've considered Mopar Dana 60 axles both front and rear, but that $11,000 hurts my soul. I can get into a Core 44 front for $3800 with 4.88 and E-Locker.

The goal is to still be able to articulate and play on rocks with the 37"x12.5" or 37"x13.5" rubber.

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Old 06-23-2015, 06:34 PM
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Re: Will I be able to make 37" tires work with this?

You might get a better response to this in the JK section.
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