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Spare Tire Size

Discussion in 'Wheels & Tires' started by harrisdoggy, Nov 8, 2016.

  1. Nov 8, 2016 at 9:02 AM
    #1
    harrisdoggy

    harrisdoggy [OP] New Member

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    Got a stupid question - if I have tires larger than stock (275/70R18 or 285/70R18) what should I do regarding the spare? Is it "ok" to drive on a spare that is a different size (stock) for limited miles until I can get the damaged tire fixed/replaced? Thanks and sorry for the stupid question. :)
     
    zcarpenter92 likes this.
  2. Nov 8, 2016 at 9:53 AM
    #2
    NewImprovedRon

    NewImprovedRon SouthBoundSteve Fan Club President

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    You can drive limited miles on a downsized spare but need to get it off/replaced as soon as possible. Emergency use only...
     
  3. Nov 8, 2016 at 9:57 AM
    #3
    T-Rex266

    T-Rex266 T-Rex Staff Member

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    You can run the risk of damaging the diffs with different tire sizes on at the same time.
     
    equin likes this.
  4. Nov 8, 2016 at 2:23 PM
    #4
    ARamirez73

    ARamirez73 RIDIN' THE RAILS ON A CRAZY TRAIN

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    Hey Sean think I started this thread a while back not sure if u or someone else replied I got 35 1250 20 what's closest that can fit in spare wheel well I don't care about trimming
     
  5. Nov 8, 2016 at 2:40 PM
    #5
    T-Rex266

    T-Rex266 T-Rex Staff Member

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    35" will be your best bet with a 3" lift.
     
  6. Nov 8, 2016 at 3:29 PM
    #6
    Royalpeeps

    Royalpeeps Awesome!!!

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    I have a 35" tire on my spare. Well it's like 34.6".
     
  7. Nov 8, 2016 at 5:07 PM
    #7
    computeruser6

    computeruser6 Climate heretic

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    I'm a big believer in having a matching spare and doing five tire rotations. The spare tire will eventually dry rot and need to be replaced anyway, so why not get some use out of it? With a matching spare I can get off the trail in relative confidence compared to having a smaller tire that may be a street tire as well and not worry about any weird handling characteristics at normal highway speeds.
     
  8. Jan 11, 2018 at 3:58 PM
    #8
    rvrats2

    rvrats2 New Member

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    Nope!
    Are you doing a five tire rotation with tpms? When it’s time to get new tires I’m going to jump up a size and I want to find a matching wheel for a 5 rotation. I’d like tpms to work if possible.
     
  9. Jun 13, 2018 at 10:18 AM
    #9
    phiredrop

    phiredrop New Member

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    Did you have to do anything special to make it fit underneath?
     
  10. Jun 13, 2018 at 12:43 PM
    #10
    gosolo

    gosolo “The .com stands for communist”, Dale Gribble

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    The TPMS for 2015 is only for 4 sensors. To do 5 tire rotation I would have to reprogram at every rotation. I’m pretty sure it’s the same for 2016, 17, & 18. I do have a matching rim and identical size tire for the spare.
     
    equin and NewImprovedRon like this.

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