I searched but did not find anything.
I was wondering if anyone has created a set of gauge overlays that would correct the speedo at least visually, the correction is linear so it should be pretty easy.
I recently calculated my correction (0.903)
Y=0.9033x+1.31
Data (GPS VERIFIED):
Indicated vs actual
40-35
45-40
50-44
55-47
60-53
65-57
70-62
75-67
80-71
4.88 gears and 35's
