speedometer calibration
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Senior User
Joined: Jul 2001
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speedometer calibration
Does anyone know what the calibration numbers are for 32 and 33 inch tires. I know how to figure it out but was just curious if anyone knew them off hand. I already know how to adjust them I just searched through the site and didn't find the #'s for those tires.
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Joined: Jan 2002
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From: USA
speedometer calibration
I am running ProComp 33x12.5x15 which are 640 revs per mile. Doing the proper calculation, I come up with 864. I had my wife follow me around in our brand new car and the speedo is right on the money and the trans shifts perfectly.
Not sure about 32's though?
Not sure about 32's though?
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Joined: Jan 2008
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speedometer calibration
Have fun!
http://www.seansa4page.com/resource/autotech.html
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