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31x10.50R15 vs P265/75R15

Discussion in 'Wheels & Tires' started by tr0gd0r, Feb 18, 2009.

  1. Feb 18, 2009 at 10:16 AM
    #1
    tr0gd0r

    tr0gd0r [OP] Well-Known Member

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    Male
    Pullman, WA
    Vehicle:
    2012 Silver Streak TRD Offroad DCSB V6 4x4
    TRD Catback Exhaust - 265/75/16 BFG KM2s
    What is the difference between the two sizes? Which is bigger? And can I fit the 31x10.5 on a stock 1st gen without rubbing?

    Thanks
     
  2. Feb 18, 2009 at 10:26 AM
    #2
    Delmarva

    Delmarva Mayor of TW

    Joined:
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    35,622
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    Male
    First Name:
    Mike
    Tucson, AZ
    Vehicle:
    09 TRD OR S/C 4x4
    TRD S/C, Full OME Suspension, LR UCAs, Relentless Front Bumper, Derpwerx Fab HC Rear Bumper, 285/75/16 Revos, XD Hoss Wheels, Safari Snorkel, Infiniti FX-R HID Retrofit, Airbags in rear, Optima Yellow top, Besttop, All-Pro Skid, All-Pro HD Sliders
    Current Tire New Tire Difference
    Diameter inches (mm) 31.65 (803.9) 30.93 (785.54) -0.72 (-18.36) -2.3%
    Width inches (mm) 10.43 (265) 10.51 (267) 0.08 (2) 0.8%
    Circumference inches (mm) 99.43 (2525.53) 97.16 (2467.85) -2.27 (-57.68) -2.3%
    Sidewall Height inches (mm) 7.82 (198.75) 7.46 (189.57) -0.36 (-9.18) -4.6%
    Revolutions per mile (km) 637.23 (395.72) 652.12 (404.97) 14.89 (9.25) 2.3%

    from: http://www.tacomaworld.com/forum/tirecalc.php
     
  3. Feb 18, 2009 at 10:55 AM
    #3
    kilted1117

    kilted1117 I smell corn

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    Gophuk Yousef
    NE IL/IN border
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    08 FJ Cruiser SandStorm
    Blacked out and de-badged, Predetor side steps, Amaesing Vinyl hood decal, Hella 500's w/ Zombie rocker.
    ^^^^
    What he said.
     
  4. Feb 18, 2009 at 11:09 AM
    #4
    Rippin101

    Rippin101 Well-Known Member

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    Jax Beach, FL
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    BHLM Level 8 MK6 Weathertech Extang Solid Fold AntennaX Bedlight LEDs
    x2 That link for the tire calc is really helpful, I would suggest messing around with it! :D
     
  5. Feb 18, 2009 at 11:26 AM
    #5
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Thor

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    FlimFlubberJAM
    Tenoe, AZ
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    2013 Rubicon Unlimited,
    4.10 gears, sliders, and lots of buttons.
    Ummmm......A 265/75/15 IS a 31/10.50/15 They are the same, just one is give in Metric.

    Del, your thinking the tire is a 265/75/ 16
     
  6. Feb 18, 2009 at 11:31 AM
    #6
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Thor

    Joined:
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    FlimFlubberJAM
    Tenoe, AZ
    Vehicle:
    2013 Rubicon Unlimited,
    4.10 gears, sliders, and lots of buttons.
    Tire Size Calculator

    Accepts P-Metric and Inches
    Current Tire Size: / R
    New Tire Size: / R
    Your Calcs: 265 / 75-R15 - 31 / 10.5-R15265 / 75-R16 - 325 / 75-R16

    Side by side Overlay
    [​IMG]


    Current TireNew TireDifferenceDiameter inches (mm)30.65 (778.5)30.98 (786.84)0.33 (8.34) 1.1%
    Width inches (mm)10.43 (265)10.51 (267)0.08 (2) 0.8%
    Circumference inches (mm)96.29 (2445.73)97.32 (2471.93)1.03 (26.2) 1.1%
    Sidewall Height inches (mm)7.82 (198.75)7.99 (202.92)0.17 (4.17) 2.2%
    Revolutions per mile (km)658.02 (408.63)651.05 (404.3)-6.97 (-4.33) -1.1%


    Speedo Reading=Actual
    Speed
    20 mph=20.21 mph
    25 mph=25.27 mph
    30 mph=30.32 mph
    35 mph=35.37 mph
    40 mph=40.43 mph
    45 mph=45.48 mph
    50 mph=50.54 mph
    55 mph=55.59 mph
    60 mph=60.64 mph
    65 mph=65.7 mph
     
  7. Feb 18, 2009 at 11:53 AM
    #7
    jwscoot

    jwscoot Well-Known Member

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    Mississauga, ON
    Vehicle:
    98 Tacoma v6 4x4
    Bilstein 5100 shocks all the way around, add a leaf in the rear
    the 31x10.5r15 came stock on my 98. so there will be no problem.
     
  8. Feb 18, 2009 at 12:20 PM
    #8
    Delmarva

    Delmarva Mayor of TW

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    Tucson, AZ
    Vehicle:
    09 TRD OR S/C 4x4
    TRD S/C, Full OME Suspension, LR UCAs, Relentless Front Bumper, Derpwerx Fab HC Rear Bumper, 285/75/16 Revos, XD Hoss Wheels, Safari Snorkel, Infiniti FX-R HID Retrofit, Airbags in rear, Optima Yellow top, Besttop, All-Pro Skid, All-Pro HD Sliders
    oops... :D
     
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