I have a GPS that works great. I only asked because you seemed to always have an answer. I usually mark the tire and drive until the mark has made one complete rotation. The measure the distance and I am usually very close. I was hoping that the Graphon will adjust for my gears and tires. Will it help the transmission shift better?
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2nd place is 1st's loser!
2012 FX4 Waldoch M80 Edition Supercrew, 3.5L Ecoboost, Flowmaster Exhaust, K&N Air Filter, Road Armor Grill Guard, huge smile! 
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