2019 Exp. Speedometer calibration

BDAuer

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Oct 6, 2021
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Angleton Texas
Hey Folks, new to the forum.
I just recently had a 3/2 level kit installed on my wifes Expedition. Along with 35" tires.
Now I cannot figure out how to recalibrate the speedometer. I've read and also was told to get the SCT X4 and I could adjust it that way. (Doesn't work)
Can anyone point me in another direction?
30 mph = 32
60 mph = 64
70 mph = 76
With it being my wifes vehicle, I don't want her to "forget" and get a ticket.
Thanks!
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