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instead of starting a new thread, i'm going to ask in this one, since its related.
is there a formula for calculating my miles traveled back to stock after going to larger tires? i have gone from 29" to 31" tires on my explorer. well, thats the listed size, not actual. i still have a stock tire/rim i can bolt back on to get a static load radius, to go with whatever the static load radius is for the 31's.
technically, all my fuel log entires (i have a bigger excel file at home than here) are off because of the tires, but i've been using it as more of a comparison between driving styles. now i want to know what my actual best mileage is.
yeah, i know i just need to get the speedometer re-programmed, but its not really in the budget at the moment (just got my transmission rebuilt). does the scanguage correct for tire sizes? or will it be off as well? i've been saving for one of those anyway, my wife's car has a lot of that stuff built in already, and i'm really starting to like it.
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