RPM Calculator
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Popular Transmission Ratios - use for input below
TRANSMISSION |
1ST |
2ND |
3RD |
4TH |
5TH |
GM Muncie (M20) 66-74 |
2.52 |
1.88 |
1.46 |
1.00 |
n/a |
GM Muncie (M20) 63-65 |
2.56 |
1.91 |
1.48 |
1.00 |
n/a |
GM Muncie (M21/M22) |
2.20 |
1.64 |
1.28 |
1.00 |
n/a |
GM Powerglide |
1.76 |
1.00 |
n/a |
n/a |
n/a |
GM Turbo Hydra-Matic 350 |
2.52 |
1.52 |
1.00 |
n/a |
n/a |
GM Turbo Hydra-Matic 400/4L80E |
2.48 |
1.48 |
1.00 |
0.75 |
n/a |
GM Turbo Hydra-Matic 200-4R |
2.74 |
1.57 |
1.00 |
0.67 |
n/a |
GM Turbo Hydra-Matic 700-R4/4L60E |
3.06 |
1.63 |
1.00 |
0.70 |
n/a |
Tremec 3550/TKO |
3.27 |
1.98 |
1.34 |
1.00 |
0.68 |
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