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A simple Question

Discussion in 'Wheels & Tires' started by Skrain, Dec 30, 2015.

  1. Dec 30, 2015 at 5:25 AM
    #1
    Skrain

    Skrain [OP] Time is an illusion. Lunchtime doubly so.

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    Looking at the specs for the TRD beadlock style wheels, it says the recommended tire size is 265/70R 16 M+S.
    My current tires are 275/70R 16 M+S BFG All-Terrain M+S.
    Simple question - will they work on the TRD rims without much interference?
    And exactly what is the difference? Is it cross section, or height, or what? I really don't know the differences.
     
  2. Dec 30, 2015 at 7:12 PM
    #2
    lyodbraun

    lyodbraun Well-Known Member

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    Difference is 10mm in width, your current tires are wider than what's recommend...
     
  3. Dec 30, 2015 at 7:17 PM
    #3
    Skrain

    Skrain [OP] Time is an illusion. Lunchtime doubly so.

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    Thanks. Surprisingly, they were put on by the dealer before I bought the truck. No real issues other then a little rubbing on sharp turns on the insides of the front fenders, but not enough to be an issue.
    Heck, they will more then likely be worn out by the time I can afford different rims, so I'll get the right size tires then!
     
  4. Dec 30, 2015 at 7:18 PM
    #4
    Clearwater Bill

    Clearwater Bill Never answer an anonymous letter

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    The difference is yours are 10mm wider and 7mm taller on the sidewall, or 14mm total diameter taller.
     
    Skrain[OP] likes this.
  5. Dec 30, 2015 at 7:21 PM
    #5
    Skrain

    Skrain [OP] Time is an illusion. Lunchtime doubly so.

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    Thanks.
    By the way...lived in Clearwater for about 30 years. Graduated from Clearwater High in 1971.
     
  6. Dec 31, 2015 at 4:19 AM
    #6
    Clearwater Bill

    Clearwater Bill Never answer an anonymous letter

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    This is my 2nd time in Clw. 1st was 5 yrs, this time 24, so I've almost caught up with you.
     
  7. Dec 31, 2015 at 5:08 AM
    #7
    rngr

    rngr Aix sponsa

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    Here is how to read tire sizes for future reference. For example, lets use 265/70R 16.
    1. Lets start with the last number. R16 indicates the wheel diameter in inches. In this case 16inches.
    2. The first number (265) is the section width. This is the width of the tire in mm. So, that tire is 265mm wide.
    3. The second number is the aspect ratio of the sidewall. This is the height of the sidewall expressed as a percentage of the tires width. So, the height of this sidewall is 70% of 265mm which equals 185.5mm.

    To find the overall height of the tire you will first convert the aspect ratio from mm to inches. 185.5mm=7.3in. Now, from the ground up, you have 7.3in of sidewall + 16in of wheel +another 7.3in of sidewall =30.6in overall diameter.
     

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