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What psi should I be running 35"

Discussion in 'Wheels & Tires' started by jokerftn1018, Feb 9, 2017.

  1. Feb 9, 2017 at 1:46 PM
    #1
    jokerftn1018

    jokerftn1018 [OP] New Member

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    I just got a set of 35's on my 18 in methods with an E load rating what psi should i be running on these bad boys every tire place i goto sets them at the casual 35 psi but i ran my old 33's at 42ish psi.
     
    lukedias00 likes this.
  2. Feb 9, 2017 at 1:52 PM
    #2
    ColoradoTJ

    ColoradoTJ Certified tow LEO Staff Member

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    Do the chalk test. Then again, I also don't run LR E under 50 psi either.
     
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  3. Feb 9, 2017 at 2:22 PM
    #3
    T-Rex266

    T-Rex266 Elon approved Staff Member

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    I typically run 32 on my Coopers. No issues
     
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  4. Feb 9, 2017 at 3:28 PM
    #4
    jokerftn1018

    jokerftn1018 [OP] New Member

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    What size tires are your coopers. At 32 they dont feel squishy or anything.
     
  5. Feb 9, 2017 at 3:37 PM
    #5
    J4RR3N4

    J4RR3N4 New Member

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    3” lift on 35’s
    Do the chalk test
     
  6. Feb 9, 2017 at 3:41 PM
    #6
    xtyfighterx

    xtyfighterx New Member

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    I'm at 40 psi with mine
     
  7. Feb 9, 2017 at 4:03 PM
    #7
    jokerftn1018

    jokerftn1018 [OP] New Member

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    Well the concensus is the chalk test is the goto decision. Ill be posting aome picks of these new wheels and tires by this weekend something i havent seent a white tundra run yet.
     
  8. Feb 9, 2017 at 4:23 PM
    #8
    CaptTyler

    CaptTyler Life’s too short to have an ugly boat.

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    40PSI on my Toyo's
     
  9. Feb 9, 2017 at 4:44 PM
    #9
    T-Rex266

    T-Rex266 Elon approved Staff Member

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    305/70/18
     
  10. Feb 9, 2017 at 5:33 PM
    #10
    jokerftn1018

    jokerftn1018 [OP] New Member

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    lol yeah i am going to put them at 40 and then run a chalk test from there.
     
  11. Feb 9, 2017 at 5:37 PM
    #11
    T-Rex266

    T-Rex266 Elon approved Staff Member

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    U guys are crazy @50 for normal usage. Those will ware down quickly o_O
     
  12. Feb 9, 2017 at 5:45 PM
    #12
    ColoradoTJ

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    If you have the proper wheel size, I ran 50psi at least in my last set and was at 50k with 4-5/32 left.
     
  13. Feb 9, 2017 at 5:54 PM
    #13
    T-Rex266

    T-Rex266 Elon approved Staff Member

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    IMG_5843.jpg
     
    TheBeast, Krezz, CaptTyler and 3 others like this.
  14. Feb 9, 2017 at 5:57 PM
    #14
    ColoradoTJ

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    Calibrated Power 5 Tune pack, Allison 1000 tune, PPE deep trans pan, Cold/Hot CAC pipes, Banks CAI, PCV reroute, resonator delete, S&B 62 gal fuel tank, B&W GN hitch
    Lol. Well I also didn't have 35" tires either....and towed a lot.
     
    T-Rex266[QUOTED] likes this.
  15. Feb 9, 2017 at 6:22 PM
    #15
    Joeshaker

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    I just dropped my LR E exo grapplers down from 40 to 35 to see if it would help with the trac going off, it didn't make a difference. But the truck drove way better at 40 psi and the tires didn't look low like they do at 35. I'll be airing them back up. Then the chalk test.
     
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  16. Feb 9, 2017 at 6:27 PM
    #16
    Black Wolf

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    40 psi on my Cooper STT Pro. Even wear so far.
     
  17. Feb 9, 2017 at 6:33 PM
    #17
    csuviper

    csuviper Moderator Staff Member

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  18. Feb 9, 2017 at 6:58 PM
    #18
    chphilo

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    What is the max psi on your tires? If yours is 35x12.5, your max probably is 65. If it's narrower, it's probably 80 psi. The pressure you want to run will depend on what your max psi is. I run mine (Nitto Trail Grappler, max 80) at 45 psi. During the season when the pressure could drop quite noticeably, I bump it up to 55.
     
  19. Feb 9, 2017 at 8:00 PM
    #19
    jokerftn1018

    jokerftn1018 [OP] New Member

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    yeah mine at 80 psi yeah i will be putting my initially at 40 then working up from there if need be.
     
  20. Feb 9, 2017 at 8:21 PM
    #20
    tat2ude39

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    I had had my Cooper ST Max @ 41psi since new. I've been told recently that 32psi is better. I was getting inside wear on fronts. The lower psi I was told would be better for gas mileage too. Helps for better cornering traction too.
     
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  21. Feb 9, 2017 at 8:35 PM
    #21
    Fly'n Family

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    My KO2's were initially set by the tire joint at 35psi. It's the first tire I've owned rated to 80psi - so I was real curious. Busted out the chalk and 35 looked ok, but still low. Bumped it up to 50 as a curiosity - and to much. Took it down to 40 and the chalk was spot on. I run mine at 40...

    Note: my tires are only 32.6" - so significantly smaller.
     
  22. Feb 9, 2017 at 9:56 PM
    #22
    Bannock452

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    I been running 40psi here also. So far been working out good.
    :burnrubber:
    IMG_1555.jpg
     
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  23. Feb 9, 2017 at 10:07 PM
    #23
    jokerftn1018

    jokerftn1018 [OP] New Member

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    what size are those beasts
     
  24. Feb 9, 2017 at 10:51 PM
    #24
    ColoradoTJ

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    I run 65 front and 65-80 psi rear. I'm weird.
     
  25. Feb 10, 2017 at 12:53 AM
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    TXRailRoadBandit73

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    None yet
    Toyos AT II 35x12.50x20s L/R E 60psi
    :eek:
     
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  26. Feb 10, 2017 at 5:59 AM
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    ColoradoTJ

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    Lol, usually 65 psi. No need for more. I have yet to use the overloads springs.
     
  27. Feb 10, 2017 at 6:41 AM
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    Bannock452

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    35x12.5-18 :thumbsup:
     
  28. Mar 3, 2017 at 7:41 AM
    #28
    kicnit

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    I want your wheels....

    Kyle
     
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  29. Mar 3, 2017 at 7:42 AM
    #29
    kicnit

    kicnit New Member

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    And tires ....
     
  30. Mar 3, 2017 at 10:19 AM
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    14burrito

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    And wear unevenly would be my guess, center tread would wear quicker id imagine.
     
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