Thread: Gryphon won't correct tire size
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Old Wed, March 3rd, 2010, 04:32 PM
ROB281 ROB281 is offline
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Join Date: Jun 2009
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noticed that mine is off as well

my gps says the distance between my office & apartment is 24.9 miles

odometer says 28

my speedo is also reading slower than the gps as well