[wolydotmatrix]

Just went on ride with GPS and plotted out my current commute. 19.8 miles is closer than I expected. I was using my ODO to get tank mileage. After resetting my trip meter and driving work 19.6 and half way to 7/10ths. I am running a 15" wheel and 195/50/15 tire with 5th gen DX trans. I used the tire rack spec sheets to determind which tire rev/mile was closest to the OE for the factory DX.

If my calculations are correct then 99.24%. I'll take .76 miles on the hundred for variance. This same difference could be made from driving in the left lane versus the right lane. Feel good about my findings. I will have to check again when the tires are replaced at the end of summer( 3/4 wear at this time).