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So i have the 2" RC lift and running 245/75/17's what would i program on my fashpaq for the bigger tire correction?:banana::banana:
 

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You have to actually measure and see how tall your tires are and program that number into the Flashpak. My 265/70's measured out to be approx 30.5 inches tall. So thats the number i programmed.
 

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My 255/65R17's came in at 28.75. You have to program the loaded diameter of the tire, not the unloaded diameter from the specs.
 

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My 255/65R17's came in at 28.75. You have to program the loaded diameter of the tire, not the unloaded diameter from the specs.
Are you refering to measuring the tires while mounted on the vehicle with the weight on it? If so thats how I measured mine. My tires are a lit bigger then yours though. I did two different methods of figuring the diameter of my tires. One was by just simply measuring the height from the ground up. The second was a rolling diameter which takes a little math to figure out. I came up with the same number for both.
 
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