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Gearing Comparison for Ford MT82 and 6R80 Transmissions
Gearing Comparison for Ford MT82 and 6R80 Transmissions
MT82 Manual Transmission
Gear |
Transmission Ratio |
Stock Final Drive (3.55) |
Factory Tire ODR (30.5") |
Upgraded Tire ODR (34.4") |
Upgraded Final Drive (4.625) |
Factory Tire ODR (30.5") |
Upgraded Tire ODR (34.4") |
Percentage Change (Factory) |
Percentage Change (Upgraded) |
1st |
5.441 |
3.55 |
19.30 |
17.09 |
4.625 |
25.17 |
22.32 |
+30.42% |
+30.58% |
2nd |
2.839 |
3.55 |
10.07 |
8.92 |
4.625 |
13.13 |
11.63 |
+30.41% |
+30.42% |
3rd |
1.721 |
3.55 |
6.11 |
5.42 |
4.625 |
7.96 |
7.05 |
+30.28% |
+30.07% |
4th |
1.223 |
3.55 |
4.34 |
3.85 |
4.625 |
5.66 |
5.01 |
+30.41% |
+30.13% |
5th |
1.000 |
3.55 |
3.55 |
3.15 |
4.625 |
4.63 |
4.10 |
+30.42% |
+30.20% |
6th |
0.794 |
3.55 |
2.82 |
2.50 |
4.625 |
3.67 |
3.25 |
+30.14% |
+30.00% |
6R80 Automatic Transmission
Gear |
Transmission Ratio |
Stock Final Drive (3.73) |
Factory Tire ODR (30.5") |
Upgraded Tire ODR (34.4") |
Upgraded Final Drive (4.625) |
Factory Tire ODR (30.5") |
Upgraded Tire ODR (34.4") |
Percentage Change (Factory) |
Percentage Change (Upgraded) |
1st |
4.171 |
3.73 |
15.56 |
13.77 |
4.625 |
19.27 |
17.06 |
+23.85% |
+23.91% |
2nd |
2.342 |
3.73 |
8.73 |
7.73 |
4.625 |
10.84 |
9.60 |
+24.15% |
+24.15% |
3rd |
1.521 |
3.73 |
5.67 |
5.02 |
4.625 |
7.03 |
6.22 |
+24.01% |
+23.88% |
4th |
1.143 |
3.73 |
4.26 |
3.77 |
4.625 |
5.29 |
4.68 |
+24.06% |
+23.96% |
5th |
0.867 |
3.73 |
3.23 |
2.86 |
4.625 |
4.01 |
3.55 |
+24.15% |
+24.13% |
6th |
0.691 |
3.73 |
2.58 |
2.29 |
4.625 |
3.20 |
2.83 |
+24.03% |
+23.58% |