Chevy RWD Transmission Gear Ratios
There is a lot of misinformation on the internet about these numbers. We have taken the time to verify the data as much as possible. There still may be errors. Please lets us know if you find one.
Automatic
| Name |
1st |
2rd |
3rd |
4th |
5th |
6th |
|---|
| Allison 1000 |
3.10 |
1.81 |
1.41 |
1.00 |
0.71 |
X |
| PowerGlide |
1.82 or 1.76 |
1.00 |
X |
X |
X |
X |
| Turbo 200-R4 |
2.74 |
1.57 |
1.00 |
0.67 |
X |
X |
| Turbo 4L60 |
3.06 |
1.62 |
1.00 |
0.70 |
X |
X |
| Turbo 4L60E |
3.06 |
1.62 or 1.75 |
1.00 |
0.70 |
X |
X |
| Turbo 4L65E |
3.06 |
1.62 |
1.00 |
0.70 |
X |
X |
| Turbo 4L80 |
2.48 |
1.48 |
1.00 |
0.75 |
X |
X |
| Turbo 4L80E |
2.48 |
1.48 |
1.00 |
0.75 |
X |
X |
| Turbo 4L85E |
2.48 |
1.48 |
1.00 |
0.75 |
X |
X |
| Turbo 350 |
2.52 |
1.52 |
1.00 |
X |
X |
X |
| Turbo 400 |
2.48 |
1.48 |
1.00 |
X |
X |
X |
| Turbo 700-R4 |
3.06 |
1.62 |
1.00 |
0.70 |
X |
X |
Manual
| Name |
1st |
2rd |
3rd |
4th |
5th |
6th |
|---|
| Borg Warner T10 |
2.23 |
1.76 |
1.30 |
1.00 |
X |
X |
|
2.43 |
1.64 |
1.24 |
1.00 |
X |
X |
|
2.64 |
1.76 |
1.35 |
1.00 |
X |
X |
|
2.64 |
1.64 |
1.24 |
1.00 |
X |
X |
|
2.88 |
1.76 |
1.35 |
1.00 |
X |
X |
|
2.88 |
1.91 |
1.35 |
1.00 |
X |
X |
|
3.42 |
2.28 |
1.46 |
1.00 |
X |
X |
|
3.44 |
2.28 |
1.46 |
1.00 |
X |
X |
| Borg Warner T5 (TBI) |
2.95 |
1.94 |
1.34 |
1.00 |
0.63 |
X |
| Borg Warner T5 (TPI) |
2.75 |
1.94 |
1.34 |
1.00 |
0.74 |
X |
| Borg Warner T56 |
2.66 |
1.78 |
1.30 |
1.00 |
0.74 |
0.50 |
|
2.97 |
1.94 |
1.35 |
1.00 |
0.84 |
0.62 |
|
3.36 |
2.07 |
1.35 |
1.00 |
0.84 |
0.62 |
| Borg Warner T56 (GTO,CTS-V) |
2.97 |
2.07 |
1.43 |
1.00 |
0.84 |
0.57 |
| Borg Warner T56 (C5 Corvette) |
2.29 |
1.61 |
1.27 |
1.00 |
0.85 |
0.75 |
| Muncie M20 |
2.56 |
1.91 |
1.48 |
1.00 |
X |
X |
|
2.52 |
1.88 |
1.46 |
1.00 |
X |
X |
| Muncie M21 |
2.20 |
1.64 |
1.28 |
1.00 |
X |
X |
| Muncie |
2.20 |
1.64 |
1.28 |
1.00 |
X |
X |
| Saginaw |
3.11 |
2.20 |
1.47 |
1.00 |
X |
X |
|
2.85 |
2.02 |
1.35 |
1.00 |
X |
X |
|
2.54 |
1.80 |
1.32 |
1.00 |
X |
X |
|
2.54 |
1.80 |
1.44 |
1.00 |
X |
X |
| ZF6 |
3.07 |
1.80 |
1.43 |
1.00 |
0.71 |
0.59 |
| ZF S6-650 |
5.79 |
3.31 |
2.10 |
1.31 |
1.00 |
0.76 |
