Listed below are gear ratios for the EVO 8 / 9 5-Speed Transmissions. The chart calculates vehicle speeds based on the gear ratio, final drive ratio, and tire size. As you can see, the upgraded 4.0 final drive ratio is 11.69% taller, per gear, than the standard OEM final drive! We have also had numerous people asking us how the 4.0 compares to the 4.1. During this comparison, we are using a standard gear ratios, factory tire sizes, and swapping out the final drive. Note: This chart has been updated to reflect shifting at up to 9000 RPM!
| Gear Ratios | EVO 8 Stock 4.53:1 | EVO 9 Stock 4.529:1 | EVO 8 4.0:1 | EVO 9 4.0:1 | EVO 8 4.1:1 | EVO 9 4.1:1 | ||||||
| 1st Gear | 2.928 | 2.785 | 2.928 | 2.785 | 2.928 | 2.785 | ||||||
| 2nd Gear | 1.95 | 1.95 | 1.95 | 1.95 | 1.95 | 1.95 | ||||||
| 3rd Gear | 1.407 | 1.444 | 1.407 | 1.407 | 1.407 | 1.407 | ||||||
| 4th Gear | 1.031 | 1.096 | 1.031 | 1.031 | 1.031 | 1.031 | ||||||
| 5th Gear | 0.72 | 0.761 | 0.72 | 0.761 | 0.72 | 0.761 | ||||||
| JDM 5th Gear | 0.825 | 0.825 | 0.825 | 0.825 | 0.825 | 0.825 | ||||||
| The following speeds are based on an OEM tire diameter of 25.5". | ||||||||||||
| 3000 RPM | 3000 RPM | 3000 RPM | 3000 RPM | 3000 RPM | 3000 RPM | |||||||
| 1st | 17mph | 18mph | 19mph | 20mph | 19mph | 20mph | ||||||
| 2nd | 26mph | 26mph | 29mph | 29mph | 29mph | 29mph | ||||||
| 3rd | 36mph | 35mph | 40mph | 40mph | 40mph | 40mph | ||||||
| 4th | 49mph | 46mph | 55mph | 55mph | 54mph | 54mph | ||||||
| 5th | 70mph | 66mph | 79mph | 75mph | 77mph | 73mph | ||||||
| JDM 5th | 61mph | 61mph | 69mph | 69mph | 67mph | 67mph | ||||||
| 5000 RPM | 5000 RPM | 5000 RPM | 5000 RPM | 5000 RPM | 5000 RPM | |||||||
| 1st | 29mph | 30mph | 32mph | 34mph | 32mph | 33mph | ||||||
| 2nd | 43mph | 43mph | 49mph | 49mph | 47mph | 47mph | ||||||
| 3rd | 60mph | 58mph | 67mph | 67mph | 66mph | 66mph | ||||||
| 4th | 81mph | 76mph | 92mph | 92mph | 90mph | 90mph | ||||||
| 5th | 116mph | 110mph | 132mph | 125mph | 129mph | 122mph | ||||||
| JDM 5th | 102mph | 102mph | 115mph | 115mph | 112mph | 112mph | ||||||
| 7000 RPM | 7000 RPM | 7000 RPM | 7000 RPM | 7000 RPM | 7000 RPM | |||||||
| 1st | 40mph | 42mph | 45mph | 48mph | 44mph | 47mph | ||||||
| 2nd | 60mph | 60mph | 68mph | 68mph | 66mph | 66mph | ||||||
| 3rd | 83mph | 81mph | 94mph | 92mph | 92mph | 92mph | ||||||
| 4th | 114mph | 107mph | 129mph | 129mph | 126mph | 126mph | ||||||
| 5th | 163mph | 154mph | 184mph | 175mph | 180mph | 170mph | ||||||
| JDM 5th | 142mph | 142mph | 161mph | 161mph | 157mph | 157mph | ||||||
| 7500 RPM | 7500 RPM | 7500 RPM | 7500 RPM | 7500 RPM | 7500 RPM | |||||||
| 1st | 43mph | 45mph | 49mph | 51mph | 47mph | 50mph | ||||||
| 2nd | 64mph | 64mph | 73mph | 73mph | 71mph | 71mph | ||||||
| 3rd | 89mph | 87mph | 101mph | 101mph | 99mph | 99mph | ||||||
| 4th | 122mph | 115mph | 138mph | 138mph | 135mph | 135mph | ||||||
| 5th | 175mph | 165mph | 198mph | 187mph | 193mph | 184mph | ||||||
| JDM 5th | 152mph | 152mph | 172mph | 172mph | 168mph | 168mph | ||||||
| 8000 RPM | 8000 RPM | 8000 RPM | 8000 RPM | 8000 RPM | 8000 RPM | |||||||
| 1st | 46mph | 48mph | 52mph | 55mph | 51mph | 53mph | ||||||
| 2nd | 69mph | 69mph | 78mph | 78mph | 76mph | 76mph | ||||||
| 3rd | 95mph | 93mph | 108mph | 108mph | 105mph | 105mph | ||||||
| 4th | 130mph | 122mph | 147mph | 147mph | 144mph | 144mph | ||||||
| 5th | 186mph | 186mph | 211mph | 199mph | 206mph | 195mph | ||||||
| JDM 5th | 162mph | 162mph | 184mph | 184mph | 179mph | 179mph | ||||||
| 8500 RPM | 8500 RPM | 8500 RPM | 8500 RPM | 8500 RPM | 8500 RPM | |||||||
| 1st | 49mph | 51mph | 55mph | 58mph | 54mph | 57mph | ||||||
| 2nd | 73mph | 73mph | 83mph | 83mph | 81mph | 81mph | ||||||
| 3rd | 101mph | 99mph | 115mph | 115mph | 112mph | 112mph | ||||||
| 4th | 138mph | 130mph | 156mph | 156mph | 153mph | 152mph | ||||||
| 5th | 198mph | 198mph | 224mph | 212mph | 218mph | 207mph | ||||||
| JDM 5th | 173mph | 173mph | 195mph | 195mph | 191mph | 191mph | ||||||
| 9000 RPM | 9000 RPM | 9000 RPM | 9000 RPM | 9000 RPM | 9000 RPM | |||||||
| 1st | 51mph | 54mph | 58mph | 61mph | 57mph | 60mph | ||||||
| 2nd | 77mph | 77mph | 88mph | 88mph | 85mph | 85mph | ||||||
| 3rd | 107mph | 104mph | 121mph | 121mph | 118mph | 118mph | ||||||
| 4th | 146mph | 138mph | 166mph | 166mph | 162mph | 162mph | ||||||
| 5th | 209mph | 209mph | 237mph | 224mph | 231mph | 219mph | ||||||
| JDM 5th | 183mph | 183mph | 207mph | 207mph | 202mph | 202mph | ||||||
We are working on adding a calculator to the website so you can calculate the speed of your vehicle based on either custom gear ratios / tire sizes. In the meantime, feel free to email us with any questions you may have. This email address is being protected from spambots. You need JavaScript enabled to view it.