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Tire Question??

Discussion in 'Wheels & Tires' started by Manwithoutaplan, Feb 25, 2010.

  1. Feb 25, 2010 at 9:16 AM
    #1
    Manwithoutaplan

    Manwithoutaplan [OP] the full Monty

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    I have question about tires. IF i am currently running 315/70/17 on a 8 inch rim. WOuld i be able to run a 35/12.50/17 BFG KM2 tire on the same rim.
     
  2. Feb 25, 2010 at 9:24 AM
    #2
    98tacoma27

    98tacoma27 is gooder 'en chicken Moderator

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  3. Feb 25, 2010 at 9:26 AM
    #3
    David Tarantino

    David Tarantino Well-Known Member

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  4. Feb 25, 2010 at 9:28 AM
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    BSPDX

    BSPDX Well-Known Member

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    I would think that you would need a 10in rim at min...
     
  5. Feb 25, 2010 at 9:29 AM
    #5
    luk8272

    luk8272 Poodoo

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    General rule of thumb is the tire can be up to 2" wider or narrower than the rim.
     
  6. Feb 25, 2010 at 9:31 AM
    #6
    BirdTRD

    BirdTRD Unsuspectingly striking from above

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    Many people run X12.5's on 8" wide rims. I had a Bronco that I ran 35x12.5 mudders on 15x10 rims but many ran them on 15x8 rims. Some even recommended the narrower rim because the tire bead held more pressure against the rim when aired down for wheeling. Some also claim the sidewalls being pulled in more prevent side puncture too. To be fair, there are many arguments against the narrow rims too. One drawback to the narrower rim is uneven wear. It is hard to get the tread flat on the ground with the sides being pulled in so much.
     
  7. Feb 25, 2010 at 9:38 AM
    #7
    Rhino8541

    Rhino8541 I like ze best!

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    Check out my build thread.
    Pretty sure 315/70/17 is the same size as 35/12.5/17, so it should run just the same as your current tires. There are differences between manufacturers though. I also would advise a wider tire, many are available in 9" wide, which falls in the 8.5-11" range.
     
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