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nitto terra psi???

Discussion in 'Wheels & Tires' started by RDAY, Mar 12, 2010.

  1. Mar 12, 2010 at 8:07 AM
    #1
    RDAY

    RDAY [OP] Well-Known Member

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    I got 185/70/17 terra grapplers wondering whats the best psi for tire wear and ride quality.
    Trying to start the easy way and work my way up my 3" lift has been on almost a year and lately it is riding like complete crap trying to narrow what it is down.
    Thanks guys!
     
  2. Mar 12, 2010 at 8:09 AM
    #2
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    FlimFlubberJAM
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    Use the Chalk Method to determin best PSI. Start with 32# and go from there.
     
  3. Mar 12, 2010 at 8:12 AM
    #3
    Dark Knight

    Dark Knight Well-Known Member

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    I had 45psi in my 285/70/17 NTG's. They wore perfectly.
     
  4. Mar 12, 2010 at 8:40 AM
    #4
    RDAY

    RDAY [OP] Well-Known Member

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    is there a chalck method writeup never heard of that one?
    darknight did u have 45 all the way around?
    Thanks
     
  5. Mar 12, 2010 at 8:54 AM
    #5
    Dark Knight

    Dark Knight Well-Known Member

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    yes 45 all around. Tire shop told me to run 55 due to them being E rated tires, that was too much. 45 was still a little of a rough ride but the wear was right.
     
  6. Mar 12, 2010 at 9:03 AM
    #6
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Right Here.
     
  7. Mar 12, 2010 at 9:06 AM
    #7
    RDAY

    RDAY [OP] Well-Known Member

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    ok ill check that out right now im at 30 on all four will my ride be worste if i go up on psi?
     
  8. Mar 12, 2010 at 9:08 AM
    #8
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Yes.
     
  9. Mar 12, 2010 at 9:09 AM
    #9
    RDAY

    RDAY [OP] Well-Known Member

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    so u just use a chalk line like u would with carpentry work? how far should i have to drive to check it?
    Thanks chris and dark night.
     
  10. Mar 12, 2010 at 9:11 AM
    #10
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    I useually drive a couple hunderd feet. Dont turn. Just go straight.
     
  11. Mar 12, 2010 at 10:43 AM
    #11
    jhodge83

    jhodge83 Any dog under 50# is a cat and cats are useless... Moderator

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    wat?
    i'm running ~40 in mine for almost a year now and they still look like new
     
  12. Mar 12, 2010 at 10:54 AM
    #12
    Simon2150

    Simon2150 Well-Known Member

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    is that with doing the chalk test?
     
  13. Mar 12, 2010 at 10:55 AM
    #13
    jhodge83

    jhodge83 Any dog under 50# is a cat and cats are useless... Moderator

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    wat?
    nope....just eyeballing it...lol
     
  14. Mar 12, 2010 at 11:07 AM
    #14
    Zombie Runner

    Zombie Runner Are these black helicopters for me?

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    I never thought of a chalk test before! haha
    I"ve had between 30-45 in my tires for the last two years. I've noticed my truck has been riding kinda rough since I aired them to 45, I guess I'll be backing off to about 35
     
  15. Mar 12, 2010 at 10:52 PM
    #15
    eight3one_offroad

    eight3one_offroad Honey your two French Fries short of a Happy Meal.

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    I run 32PSI in my new Toyo Open Country AT's (265/75/16) I feel that it runs a lot smoother. 40 PSI rides rough, you want better ride and traction.

    - Rich
     
  16. Mar 12, 2010 at 10:54 PM
    #16
    jhodge83

    jhodge83 Any dog under 50# is a cat and cats are useless... Moderator

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    wat?
    tire size kinda makes a difference there...and model as well
     
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