did i get this right?<br>Long time for me.<br>(looking for those midnight calculus dudes)<p>Rim Diameter (IN) Tire Width (mm) Tire Height (%) Overall Nominal Diameter (IN) Difference from Stock (%) Distance Travelled in 1 rotation (IN) Rotations to Travel 50 Miles Speedo reading at true 50MPH<br>15 195 65 24.98031496 0.411457509 78.47797388 40368.01466 49.79427125<br>15 205 60 24.68503937 -0.775439152 77.55033825 40850.88565 50.38771958<br>15 225 55 24.74409449 -0.53805982 77.73586538 40753.3895 50.26902991<br>16 205 55 24.87795276 0 78.15639353 40534.11189 50<br>16 225 50 24.85826772 -0.079126444 78.09455115 40566.21049 50.03956322<br>16 235 50 25.2519685 1.503402437 79.33139865 39933.74696 49.24829878<br>16 245 45 24.68110236 -0.791264441 77.53796978 40857.40198 50.39563222<br>17 225 45 24.97244094 0.379806931 78.45323693 40380.74303 49.81009653<br>17 235 40 24.4015748 -1.914859946 76.65980805 41325.43611 50.95742997<br>18 225 40 25.08661417 0.838740307 78.8119227 40196.96375 49.58062985<br>18 235 35 24.47637795 -1.614179459 76.89480908 41199.13994 50.80708973<br>19 225 35 25.2007874 1.297673683 79.17060848 40014.84972 49.35116316<br>19 235 30 24.5511811 -1.313498971 77.1298101 41073.61338 50.65674949<br>19 245 30 24.78740157 -0.363981643 77.8719186 40682.18758 50.18199082<br>20 225 30 25.31496063 1.756607058 79.52929425 39834.37839 49.12169647<p><br>

Rim Tire Tire Overall Diff Travelled Rotations Speedo<br>Diam Width Height Nominal D To Stock 1 Rotation for 50 Miles Reading At<br>(IN) (MM) (%) (IN) (%) (IN) True 50MPH<br>15 195 65 24.98 0.41 78.48 40368 49.79<br>15 205 60 24.69 -0.78 77.55 40851 50.39<br>15 225 55 24.74 -0.54 77.74 40753 50.27<br>16 205 55 24.88 0.00 78.16 40534 50.00<br>16 225 50 24.86 -0.08 78.09 40566 50.04<br>16 235 50 25.25 1.50 79.33 39934 49.25<br>16 245 45 24.68 -0.79 77.54 40857 50.40<br>17 225 45 24.97 0.38 78.45 40381 49.81<br>17 235 40 24.40 -1.91 76.66 41325 50.96<br>18 225 40 25.09 0.84 78.81 40197 49.58<br>18 235 35 24.48 -1.61 76.89 41199 50.81<br>19 225 35 25.20 1.30 79.17 40015 49.35<br>19 235 30 24.55 -1.31 77.13 41074 50.66<br>19 245 30 24.79 -0.36 77.87 40682 50.18<br>20 225 30 25.31 1.76 79.53 39834 49.12<br>