Speedo is off...?
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Senior Member
Joined: Oct 2006
Posts: 215
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From: phoenix AZ
Speedo is off...?
my speedometer is off maybe 10mph i dont have a lift(yet) and i do have an edge prog.
i have stock wheels and i set the number when programming the edge i put in 2550 which is supposed to be stock i dont know whats up
i have stock wheels and i set the number when programming the edge i put in 2550 which is supposed to be stock i dont know whats up
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Joined: Mar 2005
Posts: 26,080
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From: Burleson/Athens/Brownsboro, TX
Make sure it was programmed for your rear gear ratio. When I customized an Edge tune, it kept coming up with my gears as 3.73 and I have to change it to the 3.55s that I actually have. Also, do the calculation using the formula to make sure you have the right tire size. I have checked my speedometer with a GPS and mine is fast by 2 mph.
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Jim
Jim