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Oversized Tire Odometer Fix

Discussion in '1st Gen. Tacomas (1995-2004)' started by Marshallberger, Mar 30, 2011.

  1. Mar 30, 2011 at 1:01 PM
    #1
    Marshallberger

    Marshallberger [OP] Active Member

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    Does anyone know if there is a programmer out there for 2004 tacoma's that will recalibrate or at least give a reading for how many miles my truck actually gets between fill ups?
     
  2. Mar 30, 2011 at 1:02 PM
    #2
    Marshallberger

    Marshallberger [OP] Active Member

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    i have 275's upgraded from 265's
     
  3. Mar 30, 2011 at 1:03 PM
    #3
    steve o 77

    steve o 77 braaap

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    what size 275's? are they 32's?
     
  4. Mar 30, 2011 at 1:05 PM
    #4
    Marshallberger

    Marshallberger [OP] Active Member

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    275-70-16 so yeah close to 32's
     
  5. Mar 30, 2011 at 1:07 PM
    #5
    NetMonkey

    NetMonkey Well-Known Member

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  6. Mar 30, 2011 at 1:19 PM
    #6
    steve o 77

    steve o 77 braaap

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    ^true, but most speedos actually read a bit fast on stock tires, so upgrading to 32's should put it dead on. You can easily test this by hitting the freeway at 60mph and timing yourself between mile markers. It should take exactly a minute to do a mile. With my 265/75/16's (32's) my speedo is perfect.
     
  7. Mar 30, 2011 at 1:24 PM
    #7
    TacoTaro

    TacoTaro Well-Known Member

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    Your speed is probably more correct now. Use your phone gps or something else to verify. Stock, its reads a little fast. This is true of my 04 Taco and my previous 2000 4runner.
     
  8. Mar 30, 2011 at 2:21 PM
    #8
    bowyer2002

    bowyer2002 always tinkering

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    I have a Superlift Truspeed recalibrator.
    It is adjustable so you can make your speedo & mileage spot on.
    It cost me about $150 but I figured it was cheaper than a speeding ticket!
     
  9. Mar 30, 2011 at 2:26 PM
    #9
    TacoDawgfan

    TacoDawgfan Hunker Down You Hairy Dawg!

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    So a scangauge can recalibrate the speedometer, or are you saying to use it to read the actual speed? I want to upgrade at some point and this will be good to know.
     
  10. Mar 30, 2011 at 2:30 PM
    #10
    bowyer2002

    bowyer2002 always tinkering

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  11. Mar 30, 2011 at 2:37 PM
    #11
    NetMonkey

    NetMonkey Well-Known Member

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    it will NOT recalibrate the speedo. what it will do (when configured properly) is display the adjusted mph and distance (plus a bunch of other cool stuff).
     
  12. Mar 30, 2011 at 2:47 PM
    #12
    Digiratus

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    A scangauge can be dialed in for the percentage of error your larger tires introduce. The ScanGuage can then be set to display RPMs and MPH. And for fillups, calculate your MPG average and fuel remaining in the tank.

    As others have said, your speedo was likely off by as much as 5%. By going from 31's to 32's your likely showing much closer to accurate now.

    [​IMG]
     
  13. Mar 31, 2011 at 2:09 PM
    #13
    TacoDawgfan

    TacoDawgfan Hunker Down You Hairy Dawg!

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    I just drove past one of those speed detectors that the police put up that show your speed as you pass on my way home from work. Was doing exactly 50 mph on the speedometer and it read 48 on the sign. ;)
     
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