2005 f350 with 37" tires speedo calb ? - Ford Powerstroke Diesel Forum
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post #1 of 2 Old 12-20-2013, 05:16 AM Thread Starter
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2005 f350 with 37" tires speedo calb ?

Quick rundown I have 05 f350 diesel 6" lift with 37x13.5r18 I have a innovative tuned SCT xcal2 does any one know what to set tire resolution on it to fix shift points and speedo thanks for your help
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post #2 of 2 Old 12-20-2013, 05:25 AM
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your dealer

a superlift truespeed unit

u can try an A/E= Automotive Enginuity software

many programmers can set tire revolution but not all reflect in the actual speedometer

i suggest grabing a GPS to verify also if your borrowing a programmer or A/E or going to the dealer make sure you know your actual tire height , revolutions per mile,diameter
since different devices ask for different values

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