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Thread: Wheel/tire size for a JK

  1. #1
    Junior Member Spartan's Avatar
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    Default Wheel/tire size for a JK

    Can I put bigger wheels and tires on JK Sport without lifting it?

    If I can how big can I go without having a problem with rubbing?

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    Hard Coal, Hard Core Dragline's Avatar
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    Rubicon comes with 17" 10.50 32's with no lift and no rub.

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    easy jeeper metalcd's Avatar
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    the rubi does have different springs though. you should be able to go with a 33 and only have light rubbing.

  4. #4
    STICKERS notarubicon's Avatar
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    I have a 08 X with 33"x 12.50 and no lift
    Stickers


  5. #5
    Short Bus Driver AFhockey31's Avatar
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    The JK with stock wheels, no spacer, no lift

    32" tires: no rubbing
    33" tires: some rubbing
    35" tires: don't try

    The JK with stock wheels, 1 1/4" spacer, no lift

    32" tires: no rubbing
    33" tires: some rubbing
    35" tires: don't try

    The JK with stock wheels, no spacer, 2" lift

    33" tires: no rubbing
    35" tires: some rubbing
    37" tires: don't try

    The JK with stock wheels, 1 1/4" spacer, 4" lift

    33" tires: no rubbing
    35" tires: no rubbing
    37" tires: some rubbing
    38" tires: be careful
    39" tires: don't try

    What kinds of wheels can I run on my JK?

    Of course, any stock wheel that comes with the JK will be able to be used. If you are looking through the junk-yard and you find some rims that you really like, make sure that they are a 5-bolt pattern on 5" diameter. Chevy 1/2-ton pick-up trucks in the 2wd variety use this bolt-pattern.

    You will be able to fit some 15" rims and all 16" and bigger rims on your Jeep. The only problem that you might run into is the brake-caliper rubbing on the inside of the 15" rim, depending on off-set. If you find the rims you choose rub - a set of wheel-spacers can be installed to move the rim further from the caliper.

    Check the tire-manufacturer's recommended rim-width prior to running the tires on the rims that you choose yourself.

    Note: This chart will be updated as people report back on different lift / wheel / spacer combinations. If you try a combination that works that isn't listed here yet, please send me a PM with the details of the lift and I will update as soon as possible
    -Mike

    "I personally believe that US Americans are unable to do so because some people out there in our nation don't have maps, and I believe that our education like such as South Africa, and the Iraq, everywhere like, such as, and I believe that they should, our education over here in the U.S. should help the U.S., or should help South Africa, it should help the Iraq and the Asian countries so we will be able to build up our future, for our children."
    -Miss South Carolina

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    Short Bus Driver AFhockey31's Avatar
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    Tires

    32" tires
    no modifications

    33" tires
    3/4" spacer lift front minimum (2" BB preferred)
    no gear replacement needed, 4.10's preferred.

    34-35" tires
    minimum 2.5" BB/3" lift,
    will rub at full flex with 2.5BB
    trim/remove front air dam
    new gears may be needed on automatic transmissions, overdrive not able to be used (possible upgrade to 4.88's or 5.13's but not necessary)
    4.10's ok for manual, but 6th gear obsolete.
    trim pinch weld at rear tire

    36-37" tires
    minimum 3.5-4" lift
    some trimming may be required on front bumper/fenderwells
    new gears 4.88 or 5.13's (4.10s will be insufficeient for both manual and auto)
    trim pinch weld at rear tire

    Wheels

    JK wheels are 5 on 5 bolt spacing

    backspacing - distance from the rear of the wheel to the mounting surface (inches)
    offset - distance from the center of the wheel to the moounting surface (+/-mm)

    15" wheel
    some 15 wheels will fit depending on the manufacturer.
    3.75 to 4.25 backspacing will be required depending on style and width of rim.

    16" wheel
    factory 16" wheels are 7" wide with 5.5" backspacing. (standard and optional X)
    most/all aftermarket 16" wheels will fit reguardless of backspacing.
    up to an 11.5" wide tire can be placed on the factory wheels but 1-1.5" wheel spacer will be needed

    17" wheel
    factory 17" wheels are 7.5" wide with 6" backspacing. (optional X, Sahara and Rubicon)
    Optional X and Sahara 17" wheels are painted silver, Rubicon have a machined face
    most/all aftermarket 17" wheels will fit reguardless of backspacing.
    up to an 12.5" wide tire can be placed on the factory wheels but 1-1.5" wheel spacer will be needed

    18" wheel
    factory 18" wheels are 7.5" wide with 6" backspacing. (optional Sahara)
    up to an 12.5" wide tire can be placed on the factory wheels but 1-1.5" wheel spacer will be needed__________________
    -Mike

    "I personally believe that US Americans are unable to do so because some people out there in our nation don't have maps, and I believe that our education like such as South Africa, and the Iraq, everywhere like, such as, and I believe that they should, our education over here in the U.S. should help the U.S., or should help South Africa, it should help the Iraq and the Asian countries so we will be able to build up our future, for our children."
    -Miss South Carolina

  7. #7
    Hard Coal, Hard Core Dragline's Avatar
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    I'm running 35s by 12.50 on 17" MT wheels with 4.5" of backspacing. Also 2.5" Coil Spring Tereflex Lift with no rub...

  8. #8
    Short Bus Driver AFhockey31's Avatar
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    running 3.5-4.0 with the RE kit, 35x12.50, 17" soft 8's 4.5 back spacing and NO rub
    -Mike

    "I personally believe that US Americans are unable to do so because some people out there in our nation don't have maps, and I believe that our education like such as South Africa, and the Iraq, everywhere like, such as, and I believe that they should, our education over here in the U.S. should help the U.S., or should help South Africa, it should help the Iraq and the Asian countries so we will be able to build up our future, for our children."
    -Miss South Carolina

  9. #9
    Junior Member GCJEEPING's Avatar
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    Grand Cherokee WJ 99-04 and Grand Cherokee WK 05+ have 5 on 5 wheels also.
    01 Grand, 6in lift, 33's, Aussie locked 30/35, rock rails, Surco rack, grille guard, front and rear hitch, t-max 12500lb winch, rock lights, Mean geen alt, TJ transfer skid plate, OBA, thalf doors and a few other things.

  10. #10
    Junior Member Father0fm1ne's Avatar
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    Quote Originally Posted by Dragline View Post
    I'm running 35s by 12.50 on 17" MT wheels with 4.5" of backspacing. Also 2.5" Coil Spring Tereflex Lift with no rub...
    Quote Originally Posted by AFhockey31 View Post
    running 3.5-4.0 with the RE kit, 35x12.50, 17" soft 8's 4.5 back spacing and NO rub
    What kind of JK do you all have? I am worried about the lift and the whole driveshaft issue. Both mine are 4dr auto's and I have read some very confusinf stuff about whether or not I will need new driveshaft with 3.5 inches of lift and more. That is why I am concerned about the Teralfex 2.5 inch spring lift. I have read that it will give me more around 3.5 inches of lift. I have also looked at some of the Rough Country lifts, but have the same concern. I wante dot start with a lift and tires for now, but I am worried I will need driveshafts right away. I think I will get some lower front CA and rear uppers as my next thing after the lift, as long as the whole driveshaft thing does not come into play.

    Any help?
    "People who say it cannot be done should not interrupt those who are doing it."
    2010 Black Rubicon Unlimited
    Stock for now...Still looking at all the different things to do.

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