| RPM
vs. Gear Ratio: Engine RPM @ 55 MPH By Tire Diameter |
Gear
Ratio |
Tire
Diameter (inches) |
| 24 |
25 |
26 |
27 |
28 |
29 |
30 |
31 |
32 |
33 |
34 |
35 |
36 |
| 2.56 |
1971 |
1892 |
1820 |
1752 |
1690 |
1631 |
1577 |
1526 |
1478 |
1434 |
1391 |
1352 |
1314 |
| 2.73 |
2102 |
2018 |
1940 |
1869 |
1802 |
1740 |
1682 |
1627 |
1577 |
1529 |
1484 |
1441 |
1401 |
| 2.94 |
2264 |
2173 |
2090 |
2012 |
1942 |
1874 |
1811 |
1753 |
1698 |
1646 |
1599 |
1552 |
1509 |
| 3.08 |
2372 |
2277 |
2189 |
2108 |
2033 |
1963 |
1897 |
1836 |
1779 |
1725 |
1674 |
1626 |
1581 |
| 3.21 |
2472 |
2373 |
2282 |
2197 |
2119 |
2046 |
1977 |
1914 |
1854 |
1798 |
1745 |
1695 |
1648 |
| 3.31 |
2549 |
2447 |
2353 |
2266 |
2185 |
2110 |
2039 |
1973 |
1912 |
1854 |
1799 |
1748 |
1699 |
| 3.42 |
2633 |
2528 |
2403 |
2341 |
2257 |
2179 |
2107 |
2039 |
1975 |
1915 |
1859 |
1806 |
1756 |
| 3.54 |
2726 |
2617 |
2516 |
2423 |
2336 |
2256 |
2181 |
2110 |
2044 |
1982 |
1924 |
1869 |
1817 |
| 3.73 |
2872 |
2757 |
2651 |
2553 |
2462 |
2377 |
2298 |
2224 |
2154 |
2089 |
2027 |
1969 |
1915 |
| 3.90 |
3003 |
2883 |
2772 |
2669 |
2574 |
2485 |
2402 |
2325 |
2252 |
2184 |
2120 |
2059 |
2002 |
| 4.10 |
3157 |
3031 |
2914 |
2806 |
2706 |
2613 |
2526 |
2444 |
2368 |
2296 |
2228 |
2165 |
2105 |
| 4.27 |
3288 |
3156 |
3035 |
2923 |
2818 |
2721 |
2630 |
2545 |
2466 |
2391 |
2321 |
2255 |
2192 |
| 4.56 |
3511 |
3371 |
3291 |
3121 |
3010 |
2906 |
2809 |
2718 |
2633 |
2554 |
2478 |
2408 |
2341 |
| 4.88 |
3758 |
3607 |
3469 |
3340 |
3221 |
3110 |
3006 |
2909 |
2818 |
2733 |
2652 |
2577 |
2505 |
Source: December 1996 Four
Wheeler magazine
|