Gryphon tuner

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Jan 28, 2015 | 07:33 PM

Project truck

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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

Jan 28, 2015 | 07:57 PM

MGDfan

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Quote:

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/

Jan 28, 2015 | 08:06 PM

glc

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Joined: Dec 2006

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From: Joplin MO

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).

Jan 29, 2015 | 05:14 AM