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Tire pressure Nitto 275/70/R18

Discussion in 'Wheels & Tires' started by Nvquicksand, Dec 4, 2019.

  1. Dec 4, 2019 at 6:43 PM
    #1
    Nvquicksand

    Nvquicksand [OP] New Member

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    Hi everyone. Just got some Ridge Grappler 275 70 R18 for my Tundra. The place where I got my tires said to run them at 35psi each. I called Nitto and they told me 40psi front and 43psi rear. What's everyone think and what are you running yours at?
    Thanks!
     
    Rica25 likes this.
  2. Dec 4, 2019 at 6:49 PM
    #2
    Tundra234

    Tundra234 New Member

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    Alot of them
    I ran between 42-44 front and rear.
     
    Rica25 likes this.
  3. Dec 4, 2019 at 6:55 PM
    #3
    Johnsonman

    Johnsonman New Member

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    Well yeah you can run whatever yet I thought in general we're supposed to follow what the door jam says, no? I'll admit sometime going a little over... : ^ )
     
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  4. Dec 4, 2019 at 7:06 PM
    #4
    Tundra234

    Tundra234 New Member

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    Alot of them
    The door jam sticker is for the tire sizes listed on it. I don't recall the 275/70 as a stock size. Most were 255/70 or 275/65's.
     
  5. Dec 4, 2019 at 7:26 PM
    #5
    Scuba

    Scuba Sober member

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  6. Dec 4, 2019 at 7:44 PM
    #6
    SouthWestGA

    SouthWestGA New Member

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    You need to do the chalk test

    I’m sure someone in YouTube has an explanation
     
  7. Dec 4, 2019 at 8:15 PM
    #7
    Tundramoney

    Tundramoney Old school

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    At least 40
     
  8. Dec 4, 2019 at 8:16 PM
    #8
    AZBoatHauler

    AZBoatHauler SSEM#140/ASCM#3/2ndGenNaysayer/BAF140

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    I’ve heard this test is problematic as the forces inflicted upon the tire at speed significantly alter the shape so a rolling chalk test won’t tell you how your tires are contacting/wearing between 35-75 mph where most driving occurs.
     
  9. Dec 4, 2019 at 8:26 PM
    #9
    Vendeta2k

    Vendeta2k Distinguished Member Of The Cement Club

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    I run 37 all the way around with zero issues
     
  10. Dec 5, 2019 at 12:33 PM
    #10
    Rngr188

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    Same tire and size I run 38.
     
  11. Dec 5, 2019 at 12:34 PM
    #11
    Nvquicksand

    Nvquicksand [OP] New Member

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    Thanks everyone. I'm going to start with 35 psi all around and see where that goes.
     
    GODZILLA likes this.
  12. Dec 5, 2019 at 12:54 PM
    #12
    KTM Hauler

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    Method 306 18"x9" Nitto Ridge Grapplers 275/65r18 Leveling kit
    I have 275/65R18 and running 40 psi - that's what the tire shop recommended and seems fine with no signs uneven wear
     
  13. Dec 5, 2019 at 1:51 PM
    #13
    TundraMcGov.

    TundraMcGov. Your friend. Your foe. Not yo Ho.

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    Terra Grappler G2's for me. I've run them at 43sh, 44sh. Have worked great and worn evenly.
     

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