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DSM / EVO III Gear Ratios

Listed below are gear ratios for the DSM / EVO III 5-Speed Transmissions. The chart calculates vehicle speeds based on the gear ratio and tire size. As you can see, the EVOIII gear set offers a taller 1st and 5th gears and also gives you a closer ratio 3rd and 4th! As you can see, with the right amount of power you can propel your DSM into the 200+ mph range.

Note: This chart has been updated to reflect shifting at up to 9000 RPM!

Gear Ratios DSM Stock 4.929:1 EVOIII Stock 4.929:1
1st Gear 3.083 2.785
2nd Gear 1.684 1.684
3rd Gear 1.115 1.16
4th Gear 0.833 0.862
5th Gear 0.666
EVOIII 5th 0.617 0.617
The following speeds are based on an OEM tire diameter of 25.5"
3000 RPM 3000 RPM
1st 15mph 17mph
2nd 27mph 27mph
3rd 41mph 40mph
4th 55mph 54mph
5th 69mph
EVOIII 5th 75mph 75mph
5000 RPM 5000 RPM
1st 25mph 28mph
2nd 46mph 46mph
3rd 69mph 66mph
4th 92mph 89mph
5th 116mph
EVOIII 5th 125mph 125mph
7000 RPM 7000 RPM
1st 35mph 39mph
2nd 64mph 64mph
3rd 97mph 93mph
4th 129mph 125mph
5th 162mph
EVOIII 5th 175mph 175mph
7500 RPM 7500 RPM
1st 37mph 41mph
2nd 69mph 69mph
3rd 104mph 100mph
4th 139mph 134mph
5th 173mph
EVOIII 5th 187mph 187mph
8000 RPM 8000 RPM
1st 40mph 44mph
2nd 73mph 73mph
3rd 110mph 106mph
4th 148mph 143mph
5th 185mph
EVOIII 5th 200mph 200mph
8500 RPM 8500 RPM
1st 42mph 47mph
2nd 78mph 78mph
3rd 117mph 113mph
4th 157mph 152mph
5th 197mph
EVOIII 5th 212mph 212mph
9000 RPM 9000 RPM
1st 45mph 50mph
2nd 82mph 82mph
3rd 124mph 119mph
4th 166mph 161mph
5th 208mph
EVOIII 5th 225mph 225mph

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

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