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RPM's @55mph w/265-75 vs 70's

Discussion in 'Wheels & Tires' started by rc2125, Aug 15, 2010.

  1. Aug 15, 2010 at 10:17 AM
    #1
    rc2125

    rc2125 [OP] Well-Known Member

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    Curious what rpms folk's are running with 265 70 16's @50mph or @55mph?

    Mine is running 1500rpms @50mph, 1600rpms @55mph.....09 tacoma, With 265 75 16's @ 35psi

    Wondered how much rpm difference there is between the 75's and the 70's, thanks.
     
  2. Aug 15, 2010 at 10:57 AM
    #2
    DonL

    DonL Well-Known Member

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  3. Aug 15, 2010 at 11:00 AM
    #3
    rc2125

    rc2125 [OP] Well-Known Member

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    That didn't show me rpms at 50 or 55mph, thanks though, unless I missed something on it.
     
  4. Aug 15, 2010 at 11:10 AM
    #4
    Juggernaut

    Juggernaut Captain

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    They will be the same on the gauges because the truck is too dumb to know what size tire you have.

    But you can multiply by 1.034 from your 265/75 rpm.
     
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