Gear ratio. [Archive] - Diesel Place : Chevrolet and GMC Diesel Truck Forums

: Gear ratio.


lubeowner
09-26-2008, 11:13 AM
Anyone know the gear ratio in the allison tranny?

deeds
09-26-2008, 11:15 AM
http://www.grimmjeeper.com/gears.html
This is the best gear ratio calculator I have found. It has most transmission and transfer case ratios.

IOWA LLY
09-26-2008, 11:17 AM
1st, 3.058
2nd, 1.625
3rd, 1.000
4th, 0.696
5th, 0.500
R, 2.294

chevyburnout1
09-26-2008, 04:53 PM
First Range Ratio
3.10:1

Second Range Ratio
1.81:1

Third Range Ratio
1.41:1

Fourth Range Ratio
1.00:1

Fifth Range Ratio
0.71:1

Sixth Range Ratio
0.61:1

Reverse Range Ratio
-4.49:1