Gear | Ratio | Tire Diameter | T5 Ratio | Speed at 1K rpm | Speed at 2K RPM | Speed at 3K RPM | Speed at 4K RPM | Speed at 5K RPM | Speed at 6K RPM | Speed at 6250 RPM | Conversion factor | rpms at 55mph | rpms at 75mph |
83-86 1st | 3.45 | 25.63 | 4.03 | 5.5 | 11.0 | 16.4 | 21.9 | 27.4 | 32.9 | 34.2 | 0.005476948 | -- | -- |
83-86 2nd | 3.45 | 25.63 | 2.37 | 9.3 | 18.6 | 27.9 | 37.3 | 46.6 | 55.9 | 58.2 | 0.009313122 | 5906 | -- |
83-86 3rd | 3.45 | 25.63 | 1.49 | 14.8 | 29.6 | 44.4 | 59.3 | 74.1 | 88.9 | 92.6 | 0.01481349 | 3713 | 5063 |
83-86 4th | 3.45 | 25.63 | 1 | 22.1 | 44.1 | 66.2 | 88.3 | 110.4 | 132.4 | 138.0 | 0.0220721 | 2492 | 3398 |
83-86 5th | 3.45 | 25.63 | 0.81 | 27.2 | 54.5 | 81.7 | 109.0 | 136.2 | 163.5 | 170.3 | 0.027249506 | 2018 | 2752 |
87-88 1st | 3.55 | 26.63 | 3.97 | 5.6 | 11.3 | 16.9 | 22.5 | 28.1 | 33.8 | 35.2 | 0.005628526 | -- | -- |
87-88 2nd | 3.55 | 26.63 | 2.34 | 9.5 | 19.1 | 28.6 | 38.2 | 47.7 | 57.3 | 59.7 | 0.009549252 | 5760 | -- |
87-88 3rd | 3.55 | 26.63 | 1.46 | 15.3 | 30.6 | 45.9 | 61.2 | 76.5 | 91.8 | 95.7 | 0.015304965 | 3594 | 4900 |
87-88 4th | 3.55 | 26.63 | 1 | 22.3 | 44.7 | 67.0 | 89.4 | 111.7 | 134.1 | 139.7 | 0.022345249 | 2461 | 3356 |
87-88 5th | 3.55 | 26.63 | 0.79 | 28.3 | 56.6 | 84.9 | 113.1 | 141.4 | 169.7 | 176.8 | 0.028285125 | 1944 | 2652 |
87-88 1st | 3.73 | 26.63 | 3.97 | 5.4 | 10.7 | 16.1 | 21.4 | 26.8 | 32.1 | 33.5 | 0.005353964 | -- | -- |
87-88 2nd | 3.73 | 26.63 | 2.34 | 9.1 | 18.2 | 27.3 | 36.3 | 45.4 | 54.5 | 56.8 | 0.009083435 | 6055 | -- |
87-88 3rd | 3.73 | 26.63 | 1.46 | 14.6 | 29.1 | 43.7 | 58.2 | 72.8 | 87.4 | 91.0 | 0.014558381 | 3778 | 5152 |
87-88 4th | 3.73 | 26.63 | 1 | 21.3 | 42.5 | 63.8 | 85.0 | 106.3 | 127.5 | 132.8 | 0.021255237 | 2588 | 3529 |
87-88 5th | 3.73 | 26.63 | 0.79 | 26.9 | 53.8 | 80.7 | 107.6 | 134.5 | 161.4 | 168.2 | 0.026905363 | 2044 | 2788 |
87-88 1st | 4.10 | 26.63 | 3.97 | 4.9 | 9.7 | 14.6 | 19.5 | 24.3 | 29.2 | 30.4 | 0.00486724 | -- | -- |
87-88 2nd | 4.10 | 26.63 | 2.34 | 8.3 | 16.5 | 24.8 | 33.0 | 41.3 | 49.5 | 51.6 | 0.008257668 | -- | -- |
87-88 3rd | 4.10 | 26.63 | 1.46 | 13.2 | 26.5 | 39.7 | 52.9 | 66.2 | 79.4 | 82.7 | 0.013234892 | 4156 | 5667 |
87-88 4th | 4.10 | 26.63 | 1 | 19.3 | 38.6 | 58.0 | 77.3 | 96.6 | 115.9 | 120.8 | 0.019322943 | 2846 | 3881 |
87-88 5th | 4.10 | 26.63 | 0.79 | 24.5 | 48.9 | 73.4 | 97.8 | 122.3 | 146.8 | 152.9 | 0.024459421 | 2249 | 3066 |