Speedo Calibration....
Thread Starter
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Senior User
Joined: Feb 2010
Posts: 117
Likes: 0
From: Castle Rock, CO
Speedo Calibration....
Anyone know how much my speedo is off? I have 35" tires on now and haven't calibrated it yet. Just curious to know. I figure at 65 mpg it might be as much as 6 or 7 MPH off, but really have no idea?!
Tuned
Joined: Jul 2006
Posts: 311
Likes: 6
thats about right it gets worse the faster you are going. i use my gps as my speedo. also my mileage guage vs gps is off by about 1 mile for every 10. so for every 500 miles I drive on the stock odometer the gps says i drove 550 miles. i also paid for to recalibrate it and it did little, they are limited to recalibrating on tires smaller than 35's
Thread Starter
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Senior User
Joined: Feb 2010
Posts: 117
Likes: 0
From: Castle Rock, CO
Yeah, I think a handheld tuner with some custom tunes is the best way to get the correct speedo reading. I know it's a pretty easy fix with one of those.
Good, since my display says I am getting 9 MPG, I must be actually getting 10, yippee!
Good, since my display says I am getting 9 MPG, I must be actually getting 10, yippee!
150, 60, 98, adjustment, cal, calibrate, calibration, diesel, enthusiast, f150, ford, odometer, recalibrating, speedo, truck
