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TRANSMISSION RATIOS
Model First Second Third Fourth Fifth SixthTransmission Lengths
4L60E 3.06 1.63 1 0.7
4L80E 2.48 1.48 1 0.7
A833 Mopar 2.47 1.77 1
Ford C4, C6 2.46 1.46 1
Muncie M20 wide ratio (1971 and later) 2.56 1.91 1.48 1
Muncie M20 wide ratio (pre 1971) 2.56 1.91 1.48 1
Muncie M21 close ratio (1971 and later) 2.2 1.64 1.28 1
Muncie M21 close ratio (pre 1971) 2.2 1.64 1.28 1
Powerglide 1.76 1
Powerglide 1.82 1
Richmond 4-speed 2.43 1.61 1.23 1
Richmond 4-speed 2.64 1.75 1.34 1
Richmond 4-speed 2.64 1.6 1.23 1
Richmond 4-speed 2.88 1.91 1.22 1
Richmond 5-speed 3.27 2.13 1.57 1.23 1
Richmond 5-speed 4.06 2.22 1.57 1.23 1
Richmond 5-speed 4.41 2.22 1.57 1.23 1
Richmond 6-speed 3.27 2.13 1.57 1.23 1 0.76
Richmond 6-speed 3.01 1.88 1.46 1.19 1 0.62
Super T10 close ratio 2.43 1.61 1.23 1
Super T10 wide ratio 2.64 1.75 1.33 1
T10 close ratio 2.2 1.64 1.3 1
T10 wide ratio 2.54 1.89 1.51 1
T56 3.36 2.07 1.35 1 0.8 0.62
T56 2.97 2.07 1.43 1 0.8 0.62
Torqueflite 2.45 1.45 1
Turbo 200 - 4R 2.74 1.57 1 0.67
Turbo 350 2.52 1.52 1
Turbo 400 2.48 1.48 1
Turbo 700 - R4 3.06 1.63 1 0.7
Model Overall Length Mount length Input Splines Output Splines
4L60E 30 22 27
4L80E 31 29.62 32
A833 Mopar Ford C4, C6
Muncie M20 wide ratio (1971 and later) 22.25 14 26 32
Muncie M20 wide ratio (pre 1971) 21.5 14 10 27
Muncie M21 close ratio (1971 and later) 22.25 14 26 32
Muncie M21 close ratio (pre 1971) 21.5 14 10 27
Powerglide 27.75 20.75 27Powerglide 27.75 20.75 27
Richmond 4-speed 26 32
Richmond 4-speed 26 32
Richmond 4-speed 26 32
Richmond 4-speed 26 32
Richmond 5-speed 21.57 16.5 26 32
Richmond 5-speed 21.57 16.5 26 32
Richmond 5-speed 21.57 16.5 26 32
Richmond 6-speed 21.57 18 26 32
Richmond 6-speed 21.57 18 26 32
Super T10 close ratio 22.25 14 26 32
Super T10 wide ratio 22.25 14 26 32
T10 close ratio 21.5 14 10 16
T10 wide ratio 21.5 14 10 16
T56 26.37 21.08 26 27
T56 26.37 21.08 26 27
Torqueflite
Turbo 200 - 4R 27.75 26.81 27
Turbo 350 27.75 20.75 27
Turbo 400 28.37 26.87 32
Turbo 700 - R4 30 22 27
