GM Transmission Ratios

TRANSMISSION                                   1ST    2ND    3RD    4TH       5TH

Borg-Warner T-5 (GM Applications)    2.95     1.94     1.34     1.00      0.63
Borg-Warner T-5 (GM Close Ratio)      2.75     1.94     1.34     1.00     0.74
Borg-Warner T-10 2nd Design               2.64     1.61     1.23     1.00      n/a
Borg-Warner T-10 2nd Design               2.88     1.74     1.33     1.00      n/a
Borg-Warner T-10 2nd Design               3.44     2.28     1.46     1.00      n/a
GM Muncie (M-21, M-22)                     2.20     1.64      1.28    1.00      n/a
GM Muncie (M-20)                                2.52     1.88      1.46    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                   2.48     1.48     1.00     n/a       n/a
GM Turbo Hydra-Matic 200-R4             2.74     1.57     1.00     0.67     n/a
GM Turbo Hydra-Matic 700-R4             3.06     1.62     1.00     0.70     n/a
 
 

Final Drive ratios  Using the 200
1st -> 10.22
2nd -> 5.85
3rd -> 3.73
4th -> 2.49
 Using the 700
1st -> 11.41
2nd -> 6.82
3rd -> 3.73
4th -> 2.68

Using the 350
1st -> 8.61
2nd -> 5.19
3rd -> 3.42
 Using the 400
1st -> 8.48
2nd -> 5.06
3rd -> 3.42
 

Final drive ratios for TH200R4 and TH700-4R with 3.73:1 gearing.
Final drive ratios for TH350 and TH400 with 3.42:1 gearing.
 
 
 
 
 
 
 

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