Ideal offset/backspacing JL

  1. jlsahara

    jlsahara Well-Known Member

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    I only ask because last time I ordered a wheel it rubbed when installed.

    It was ProComps they didn’t fit because the BS was at 5 with a 18x9, 0 offset wheel. Still don’t know what this means.
     
  2. blnewt

    blnewt Well-Known Member

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  3. jlsahara

    jlsahara Well-Known Member

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  4. blnewt

    blnewt Well-Known Member

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  5. rlaracue

    rlaracue Well-Known Member

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    Beautiful Jeep. I have the same in white but with Mickey Thompson ATZ P3 35x12.5. Same -12 offset on Mickey sidebiter rims 17x9. Looks great. Could tuck the tires in to 0 or maybe +6 offset but that would only move the tires in .47 to .70 inches.
     
  6. TheCanadianJeeper

    TheCanadianJeeper Well-Known Member

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    If I have the same wheels but with 37 , what do you think? JLUR 2019 with mopar lift, don’t want them to stick out, thanks
     
  7. blnewt

    blnewt Well-Known Member

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  8. lightsout

    lightsout Well-Known Member

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    Important to Note that on Sport and Sahara many of the lift kit manufactures require 4.5" of back spacing, I just went through this with Rancho and talked to their techs. For road and lite off-road you can get by with maybe 5" however 5.5" is pushing it. So take that into consideration since you are likely lifting to get your 35's on.
     
  9. Toddtrain

    Toddtrain Member

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    what size tires and wheels is this setup?
     
  10. Ventures

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    Spent the last couple days reading into wheel dimensions and as far as rubbing goes couldn't that be avoided by buying a wheel with a different offset? I am looking to put a 2.5 Mopar lift on my 19 JLUR with 35s (I know you don't need to lift for 35s). Still not sure what wheels I'm going to go with but I do know I like the wider stance. Want it sticking out 2-3 inches. I've been playing with the offset converters online. Still undecided if I want to stick with a 17 inch wheel or go with a 20. Pros and cons of a bigger wheel? Plan to take it off road here and there.

    Thanks for reading!

    Regards,
    Ryan
     
  11. Uhdinator

    Uhdinator Well-Known Member

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    #116 Jan 26, 2019
    Last edited: Jan 26, 2019
    One thing I noticed...............
    Rubicon Axles are 1.5" wider than Sport or Sahara. So it looks like to me 4.5 backspace is about right for a Rubicon and 5.2 or 3/4" more is about right for the Sport and Sahara. My wheels are 5.2 or +12 offset.

    You can see Jimbox's Rubicon and my Sport have about the same amount of tire sticking out.
    IMG_4901.jpg
     
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  12. DeVoTee

    DeVoTee Well-Known Member

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    I' m thinking the exact opposite... The wider axles allows more backspace which helps keep scrub/turning radius to a minimum.
    Too many variables to calculate, but I believe the optimum set-up on a Rubicon is 5"+ with a 37/38 x 13.5. On the JL 37 is the new 35.

    Ryan, you will compromise ride and if you plan to take your jeep off road risk more damage to rims with 20" wheels. With a Jeep/short wheel base I would go 17" wheel.... Always!
     
  13. Uhdinator

    Uhdinator Well-Known Member

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    Yea you're right. Hmmm Maybe my back space is not what I thought. I didn't order them. Dealer had them on there when on the lot. They show online as 5.2" but maybe they can be ordered with other backspace as well.
     
  14. blnewt

    blnewt Well-Known Member

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    Here's 8.5+10 on 295/70/17s, not much outside the fender and no rubbing issues on stock suspension

    100_4023.JPG

    100_4024.JPG

    100_4025.JPG

    100_4026.JPG

    100_4027.JPG
     
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  15. ocrejects

    ocrejects Well-Known Member

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    Hi, I have a 2018 JLUR with a 2" mopar lift and front 1/2 teraflex spacers. I have 35"s but want to move up to 37's. The wheel I am looking at is a fuel 17x9, -15 offset, 5x5,71.81 hub.... is this good and is my hub 71.8?
     
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