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01-25-2009, 07:29 PM
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FUJIMO
Join Date: Dec 2004
Location: South Dakota
Posts: 127
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Speedometer Calibration
I have a 79 gmc 1/2 ton full time 4x4. I just bought a 4" lift and 285-75-16 tires for it. I would like the speedometer to at least be close, how do I adjust it? The transfer case has a gear driven "step up" gear box on the side that drives the speedometer cable. My local GM shop says I'm S.O.L. , but they do not always seem to very helpfull on anything that is 20+ years old. Any Ideas?
Thanks Wayne
__________________
IF IT DON'T GO--CHROME IT!! I dont mind confusion, I create it!   
Last edited by draino76; 01-25-2009 at 07:29 PM. |
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