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Best Psi for NItto ridge grappler‘s 295/70 R 18

Discussion in 'Wheels & Tires' started by Johnmctundra, Sep 1, 2018.

  1. Sep 1, 2018 at 3:26 PM
    #1
    Johnmctundra

    Johnmctundra [OP] New Member

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    14’ tundra trd 4x4
    rough country level kit, 295/70 R 18 NATO ridge grappler
    I recently purchased the NItto ridge grappler’s so far they are great. A lot quieter than I thought. Seem to be riding very smooth. Got them at discount tire. They put 30 psi in them. These tires are rated for 80 psi I believe. I put 50 psi In them. Does anyone have any recommendations on what PSI to run with these tires on the tundra
     
  2. Sep 1, 2018 at 3:26 PM
    #2
    TheBeast

    TheBeast The Beach

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    40 ish
     
  3. Sep 1, 2018 at 3:36 PM
    #3
    Johnmctundra

    Johnmctundra [OP] New Member

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    14’ tundra trd 4x4
    rough country level kit, 295/70 R 18 NATO ridge grappler
    In Florida . I’ll add.
    It prob makes a little difference

    69CD8965-F9F9-4F4A-BB73-E9C2EC9BBD5F.jpg
     
  4. Sep 1, 2018 at 3:38 PM
    #4
    Tuckerman048

    Tuckerman048 New Member

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    I have the same tires, I e mailed Nitto with my specs and they told me to to run at 45 and rotate every 3k miles.
     
    equin likes this.

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