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Thread: Speedo errors between EVIC and Speedo Guage

  1. #1
    Tuner in Training
    Join Date
    Jan 2018
    Posts
    15

    Speedo errors between EVIC and Speedo Guage

    Since i bought my 15 scat pack there has always been difference a between the speedometer gauge and the digital speedo on the evic, today i went in through HPT scanner and found the tire size was incorrect ( smaller than whats on the car) i fixed that with diameter from MFG specs and the difference between evic and gauge increased! gauge stayed the same (80 mph at 1800 in 6th gear), evic dropped from 78 to 75 mph does anyone know how the speedo system works and if the gauge or the evic is the accurate one?

  2. #2
    Advanced Tuner
    Join Date
    Aug 2016
    Location
    Thunderdome
    Posts
    389
    Editor trans for the other readout.
    I have a burrito in my colon, yet refried beans come out...
    How i know it's from the same meal? I didn't ingest corn any other time.

  3. #3
    Tuner in Training
    Join Date
    Jan 2018
    Posts
    15
    thanks i opened up editor and trans, and dont see anything that allows anhy kind of adjustment for tire or gears i have the 6 spd MT if it makes any difference

  4. #4
    Advanced Tuner
    Join Date
    Mar 2018
    Location
    Illinois
    Posts
    873
    Quote Originally Posted by WILYUMZ1 View Post
    thanks I opened up editor and trans, and don't see anything that allows any kind of adjustment for tire or gears i have the 6 spd MT if it makes any difference
    https://forum.hptuners.com/showthrea...t-2-25-Scanner