Thread: Speedo/Odo correction
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Old Sat, April 4th, 2009, 01:52 PM
orygunf150 orygunf150 is offline
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Default Speedo/Odo correction
Reading this thread
http://www.ford-trucks.com/forums/836709-odo.html
I am also wondering, does changing the tire size on our programmer also change the Ford speedo or just the programmer? My Ford speedo is a few mph off but the Gryphon reads about right, (according to my GPS).