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Old 12-02-2013, 08:58 PM
cornhuskerranger cornhuskerranger is offline
Join Date: Dec 2012
Posts: 5
Default Re: How do you recalibrate the speedo/odo for bigger tires?

I just sent you a pm with tranny gear change info. (couldn't get it to attach here -- haven't posted too much, so may be my techno shortcomings.)
Anyway, I got this info from somewhere on the web a year or so ago. A gear change corrected my 225x70x14 to 235x75x15 to within a couple mph's - using gps.
1993 XLT Extended cab 4.0 L automatic stock except: explorer 15" alloys, Thrush muffler
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