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Gryphon tuner

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Old 01-28-2015, 07:33 PM
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Gryphon tuner
I just recently bought a used power hungry performance gryphon tuner. I am trying to find out the tire size in millimeters. I have 35/12.50/18 Nitto trail grappler mts
 
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Old 01-28-2015, 07:57 PM
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Originally Posted by Project truck
I just recently bought a used power hungry performance gryphon tuner. I am trying to find out the tire size in millimeters. I have 35/12.50/18 Nitto trail grappler mts




OR

http://tire-size-conversion.com/tire-size-calculator/
 
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Old 01-28-2015, 08:06 PM
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That should get you close, but you will have to make fine adjustments. Adjust till the speed on a GPS agrees with the speed on the Gryphon (NOT the truck speedometer).
 
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Old 01-29-2015, 05:14 AM
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Thank you
 
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