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@Kodacom

Yes I have every option. Speedo calibration was easy but no proper math added up. I tried what everyone had said and read up on the proper math it still was off so after a few quick passes I just kept adjusting until I got it within 1mph using Waze or any gps app at 70 mph. With level/lift you...

It’s very simple with the new version of forscan if you follow the directions it will take you 5 min. You will have to play the formula alittle to get the speedo accurate but it is super easy to do. I use my MacBook but I have boot camp running windows as well.

Yes my truck has the active 2.0 package no issues at all my Speedo is still probably 2 mph at 70 off which I’ll tweak eventually but it is super easy. I don’t remember the thread but after you get your diameter in mm you want to multiply that by a number and it puts you pretty close. If I go...

Thanks for replying bill. Yeah I basically just went back last night and rather than using the number that the calculator and wheel MFG kicked out changed tire size to 34” from 34.6 did the math and kept dropping down the circumference until I got goose to gps. I’m now within 1-2mph @70 mph of...

i have had mine for a little over a month and before i put icon coilovers with 285x65x20 driving in eco trying to maximize i would get 21+ primarily on the highway. If i am crusining on off in traffic and the city is where i have seen the truck shine and thats where it will jump my avg up a...

I think that’s where I originally changed it and got the circumference from forscan tire calculator. Is their something I’m missing?

Where do i find those codes? I went in and edited the mm for my 285x65x20 my speedo is now 3-4 mph faster than gps. I downloaded the google sheet that allows you to plug in the values to change the numbers in that strand but cant find any of those codes, Any help would be great. Thanks