Quote:
Originally Posted by harleytoprock
Speedo won't need calibration with the F150 overdrive because the speedometer is driven off the drive shaft. A change in rear end ratio would require a calibration change.
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It's interesting that because the gearbox has an electronic take-off for the speedo, I was told that an expensive solution was required.
However a Ford Falcon speedo cable fitted perfectly.
Also, with the 42% overdrive the speedo reads 75mph when the car is doing 62mph (100kph in NZ)