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Adjustments needed to handle 35" tires?

Discussion in 'Wrangler JK (2007-2017)' started by 0311, Sep 30, 2016.

  1. Sep 30, 2016 at 8:00 AM
    #1
    0311

    0311 [OP] New Member

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    Hi all! Not a real technical guy and I have a question about getting new tires. I have a 2014 JK and it's got 33" combo on it now. I want to upgrade to a 35" combo. Question is will I need to do anything to the axles? It's a daily driver but I do a lot off road for work. I also have a 4" lift. Thanks in advance.
     
  2. Sep 30, 2016 at 11:32 AM
    #2
    C2T

    C2T Well-Known Member

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    Richard
    Helena, Montana
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    2.5" AEV Dual Sport lift, 35" Treadwright Guard Dogs, Black Rock Wheels, AEV Front & Rear Bumpers with Tire Carrier, Fuel Caddy 10 gal. Aux. fuel tank, Warn 9.5ti, 125' synthetic winch line, front axle skid, 20" LED light bar , Bilstein Shocks, steel steering skidplate,
    Hello...welcome to the site.

    Is this a Rubicon? If it is, you will need to trim the Rock Rails (called rubi-rails) by about 3/4 inch for the rear.
    In 2013 they made a small change to the pinch seam at the bottom (front) of the rear fender wells so you should not have to do anything there.

    SO...with your lift and assuming you already have wheels with the proper back-spacing (or wheel spacers), you should be good to go.
    Remember, the dana 30 axles (if NOT running a Rubi) are not known for their top strength. So if you are a lead foot type...be a little gentler on 35s. :) Someday, when you get independently wealthy you can consider stronger axles shafts. (folks run 35s all the time...so it is not that big a deal)

    And, of course, what gearing you have is important when changing tire sizes. (what ya got?)
     
  3. Oct 3, 2016 at 1:10 PM
    #3
    0311

    0311 [OP] New Member

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    Thanks for the reply. I'm not running a Rubicon, pretty sure the gears are stock.
     
  4. Oct 3, 2016 at 1:22 PM
    #4
    C2T

    C2T Well-Known Member

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    2.5" AEV Dual Sport lift, 35" Treadwright Guard Dogs, Black Rock Wheels, AEV Front & Rear Bumpers with Tire Carrier, Fuel Caddy 10 gal. Aux. fuel tank, Warn 9.5ti, 125' synthetic winch line, front axle skid, 20" LED light bar , Bilstein Shocks, steel steering skidplate,
    "stock" can be either 3:21 or 3:73 on a 2014.

    If you have 3.21 you may find going to 35s problematic. 3.73s would not be bad for a DD. I run 4.10 and 35s.

    Good luck with it.
     
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