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Calibration ratio?????????

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Old Dec 18, 2009 | 08:58 AM
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Stephenhutto
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Calibration ratio?????????

I am going from the 100 mph speedo in my 1999 F150 to a 160 kph speedo from a Harley Truck. What would be the ratio for recalibrating the speedo???
 
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Old Dec 18, 2009 | 05:34 PM
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None. If your truck has the PATS system, the cluster must match the PCM or it won't start.
 
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Old Dec 18, 2009 | 06:34 PM
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PCM?? I know about the PATS system that is why I only want to change the front of the cluster and not the green board. All I want to do is take the front off of one and put it on the other.
 
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