2009 Dodge Challenger SRT-8 gear ratio calculator

With 2009 Dodge Challenger SRT-8 Gear Ratio Calculator you can see the theoretical top speeds in all gears. You can change tire dimensions to calculate the effect on top speed and gearing. It will help you to find the best gear ratios for your racing car and to understand when it is the best time to change a gear.

Maximum Power RPM: Revolutions per minute when reaching
the top of the power curve.
Width Profile Wheel diameter
Tire Diameter [mm]:  OR 
Numbers of teeth Gear Ratio
Final Drive Ratio:  x   OR 
1st Gear Ratio:  x   OR 
2nd Gear Ratio:  x   OR 
3rd Gear Ratio:  x   OR 
4th Gear Ratio:  x   OR 
5th Gear Ratio:  x   OR 
6th Gear Ratio:  x   OR 
Speed in:




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Gear shift Difference after shifting RPM after shifting
from 1st Gear to 2nd Gear 1860 4340
from 2nd Gear to 3rd Gear 1771 4429
from 3rd Gear to 4th Gear 2067 4133
from 4th Gear to 5th Gear 1860 4340
from 5th Gear to 6th Gear 1771 4429
kmh / RPM 1000 2000 3000 4000 5000 6000 6200
1st Gear 14.9 29.9 44.8 59.8 74.7 89.7 92.7
2nd Gear 21.4 42.7 64.1 85.4 106.8 128.1 132.4
3rd Gear 29.9 59.8 89.7 119.6 149.5 179.4 185.4
4th Gear 44.8 89.7 134.5 179.4 224.2 269.1 278
5th Gear 64.1 128.1 192.2 256.2 320.3 384.4 397.2
6th Gear 89.7 179.4 269.1 358.7 448.4 538.1 556.1

This calculator is completely based on mathematical formulas to be useful to you. Try the Transmission Gear Ratio Calculator now.