Question about tire size.
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Joined: Dec 2009
Posts: 113
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From: Alton, Illinois
along with the fact the tire size is never exactly what it says, for example the toyo mud terrains are actually bigger than they say they are, so you have to factor that in, you also have to factor in tread wear, and like he said above the weight of the truck squishing/flattening out the tire where it touches the pavement. and don't forget about your muffler bearings
My muffler bearings are brand new. I also drained the blinker fluid to take some of the weight off of the tires.
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Joined: May 2008
Posts: 18,729
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From: NH
i think speedo only. it might/might not have some influence over the electronic transmission control.
edit - yep, odometer too
^zman's post of tire size measurement is technically accurate, but be sure and confirm it with a road test or gps test or other. i tweaked mine a couple of times to meet the 60mph = 60 second test on the highway.
edit - yep, odometer too
^zman's post of tire size measurement is technically accurate, but be sure and confirm it with a road test or gps test or other. i tweaked mine a couple of times to meet the 60mph = 60 second test on the highway.