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. sales@jackstransmissions.com
