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285/70/17 PSI?

Discussion in '3rd Gen. Tacomas (2016+)' started by miky70blue, Jul 11, 2018.

  1. Jul 11, 2018 at 12:14 PM
    #1
    miky70blue

    miky70blue [OP] TOROTA

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    Hello,
    Does anyone know the psi of 285/75/17 KO2’s? I just went to Discount Tire and put 38 on all 4 but I feel it like it bounces a lot..
    :playball:
     
  2. Jul 11, 2018 at 12:19 PM
    #2
    Sour_Taco

    Sour_Taco CallsignMigs

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    My 285/70/17 Ridge Grapplers are set at 35/36 PSI all the way around, and feel great.
     
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  3. Jul 11, 2018 at 12:21 PM
    #3
    GHOST SHIP

    GHOST SHIP hates you.

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    I’d personally chalk test the tires if I was you. There are enough variances in truck weight where you’ll benefit from a test specific to your vehicle.
    Not to mention fore/aft differences in pressure.
     
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  4. Jul 11, 2018 at 12:24 PM
    #4
    Joe23

    Joe23 Technically, alcohol is a solution

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    Check build thread
    This

    Ply and weight make a big difference.

    My 285 70 17 8 ply duratrac is 40psi front 38psi rear COLD
    Although it is smoother at lower PSI chalk test put this PSI as my most even wear and it seems to help my MPG a little better because before I did the chalk test and ran 35psi all around I was getting worse MPG.
     
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  5. Jul 11, 2018 at 12:28 PM
    #5
    Comb

    Comb Known Member

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  6. Jul 11, 2018 at 1:31 PM
    #6
    miky70blue

    miky70blue [OP] TOROTA

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  7. Jul 11, 2018 at 1:32 PM
    #7
    EatSleepTacos

    EatSleepTacos MOBTOWN OFFROAD AMBASSADOR

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    This is the best way to know for sure and get the best tire wear
     
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  8. Jul 11, 2018 at 1:48 PM
    #8
    miky70blue

    miky70blue [OP] TOROTA

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    I had never heard this chalk test but sounds the best... any idea of PSI to start the chalk test? you can use those big chalk from any store right?
     
  9. Jul 11, 2018 at 1:49 PM
    #9
    EatSleepTacos

    EatSleepTacos MOBTOWN OFFROAD AMBASSADOR

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    Here's a how-to for it. And yes, any childrens sidewalk chalk (or any chalk for that matter) is what you use

    https://www.intercotire.com/using_chalk_method_determining_psi
     
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  10. Jul 11, 2018 at 2:26 PM
    #10
    miky70blue

    miky70blue [OP] TOROTA

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    EatSleepTacos likes this.
  11. Jul 11, 2018 at 3:10 PM
    #11
    Comb

    Comb Known Member

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    For Sport DCSB, yes, all 4 the same.
     

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