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07-22-2019, 03:11 PM
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#1 |
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Senior Member
 
Join Date: Feb 2012
Location: chillicothe, illinois
Posts: 690
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speedometer calibration
i just put a 6" lift with 35's on my daughter 2002 yukon. whats the best way to calibrate the speedometer?
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07-22-2019, 09:24 PM
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#2 |
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State of Confusion!
 
Join Date: Jul 2002
Location: Gulfport, MS USA
Posts: 47,249
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Re: speedometer calibration
Far as I know, the computer will have to be modified/flashed with the new info. I have never had to do it, so I haven't looked in my area to see ho does it.
__________________
Bill 1970 Chevy Custom/10 LWB Fleetside 2010 Toyota Tacoma PreRunner SR5 Double Cab - DD Member of Louisiana Classic Truck Club (LCTC) Bill's Gallery Life isn't tied with a bow, but it's still a gift. Live simply. Love generously. Care deeply. Speak kindly. Leave the rest to God! |
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07-30-2019, 01:24 AM
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#3 |
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Moderator
 
Join Date: Oct 2008
Location: Wentworth, NH
Posts: 4,977
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Re: speedometer calibration
You have to change the PCM and the ABS computer to do it right.
I used HP Tuners on the PCM and my Tech 2 on the ABS computer. Details are in my build thread.
__________________
1959 M35A2 LDT465-1D SOLD 1967 Dodge W200 B383, NP420/NP201 SOLD 1969 Dodge Polara 500 B383, A833 SOLD 1972 Ford F250 FE390, NP435/NP205 SOLD 1976 Chevy K20, 6.5L, NV4500/NP208 SOLD 1986 M1008 CUCV SOLD 2000 GMC C2500, TD6.5L, NV4500 2005 Chevy Silverado LS 2500HD 6.0L 4L80E/NP263 2009 Impala SS LS4 V8 RTFM... GM Parts Books, GM Schematics, GM service manuals, and GM training materials...
And please let us know if and how your repairs were successful. |
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