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    Speedometer Calibration

    I knew how to do this on my 88. Is it any different for the 96? I went from a 225/70 R15 to a 225/60R16 (.86 inches shorter) The speedometer seems close in the city, but on the highway it's off for sure. What's the process?
    "Owning a 9-second Import is like coming out of the closet.... At first it may be surprising, but in the end, you're still gay!"


    www.myspace.com/nascarmechanic


    #2
    At 60mph, it should only be reading around 1.7mph too fast. I'm not sure how to go about recalibrating it, but if it's too much hassle, I'd just live with it, personally.

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      #3
      Yeah that is not enough change in size to go to a different speedo gear. Here is a link that has helped me in the past for speedo gear selection if you ever did go drastically different. http://s95318876.onlinehome.us/liquid/speedo_gear.html
      2000 Mustang GT "Blondie", 2000 CVPI "Sargent Crusty"

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        #4
        What formula did you use to find the speedometer is only off 1.7 MPH?
        "Owning a 9-second Import is like coming out of the closet.... At first it may be surprising, but in the end, you're still gay!"


        www.myspace.com/nascarmechanic

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          #5
          I use this one: http://www.miata.net/garage/tirecalcold.html
          -Matt
          1968 Fairlane 500 - 1998 Camaro Z/28

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            #6
            I used this one.

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