Automatic Transmission Ratios
OEM MODEL GEARS RATIO1 RATIO2 RATIO3 RATIO4 RATIO5 RATIO6
Aston-Martin (GM) DB7 4 2.48 1.48 1.0 0.75
BMW 540i 5 3.55 2.24 1.54 1.0 0.79
GM PowerGlide 2 1.82 1.0
GM PowerGlide 2 1.76 1.0
GM TH350 3 2.52 1.52 1.0
GM TH400 3 2.48 1.48 1.0
GM 200R4 4 2.74 1.57 1.0 0.67
GM 700R4 4 3.06 1.625 1.0 0.70
GM 4L60E 4 3.06 1.625 1.0 0.70
GM 4L80E 4 2.48 1.48 1.0 0.75
GM-Opel Catera 4 2.86 1.62 1.0 0.72
GM-Saturn SC2/SL2 4 2.526 1.556 1.03 0.70
GM-Saturn SC1/SL1 4 2.526 1.266 0.81 0.595
Ford C4 3 2.46 1.46 1.0
Ford C6 3 2.46 1.46 1.0
Ford AOD 4 2.40 1.47 1.0 0.67
Ford AOD 4 2.84 1.56 1.0 0.70
Ford AL4D 4 2.47 1.47 1.0 0.75
Ford E4OD 4 2.71 1.53 1.0 0.71
Chrysler A-727 3 2.45 1.45 1.0
Chrysler 904 3 2.45 1.45 1.0
Chrysler Truck 4 2.45 1.45 1.0 0.69
Chrysler Intrepid 4 2.84 1.57 1.0 0.69
Jaguar 5 3.57 2.20 1.51 1.0 0.80
Jeep 4 2.74 1.54 1.0 0.69
Jeep 1999 4 3.00 1.67 1.50 1.0
Mercedes 3 2.31 1.46 1.0
Mercedes 4 3.87 2.25 1.44 1.0
Mercedes 5 3.87 2.24 1.44 1.0 0.75
Mercedes C43-AMG 5 3.59 2.19 1.41 1.0 0.83
Mercedes C280 5 3.93 2.41 1.49 1.0 0.83
Nissan 4 2.79 1.55 1.0 0.69
Nissan Q45 4 2.57 1.48 1.0 0.69
Rolls-Royce 5 3.55 2.24 1.54 1.0 0.79
Toyota 4 2.81 1.55 1.0 0.73
Toyota A340E 4 2.80 1.53 1.0 0.75
Toyota LS400 4 2.80 1.53 1.0 0.71
Standard-shift Transmission Ratios
OEM MODEL GEARS RATIO1 RATIO2 RATIO3 RATIO4 RATIO5 RATIO6
Aston-Martin DB7 5 3.55 2.04 1.40 1.0 0.74
BMW M 5 4.21 2.49 1.66 1.24 1.0
Borg-Warner T10-V 4 2.23 1.76 1.30 1.0
Borg-Warner T10-S 4 2.43 1.64 1.24 1.0
Borg-Warner T10-W 4 2.64 1.76 1.35 1.0
Borg-Warner T10-X 4 2.64 1.64 1.24 1.0
Borg-Warner T10-CC 4 2.88 1.91 1.35 1.0
Borg-Warner T10-Y 4 2.88 1.76 1.35 1.0
Borg-Warner T10-U 4 3.44 2.28 1.46 1.0
Borg-Warner T10-Z 4 3.42 2.28 1.46 1.0
Borg-Warner T5 5 2.95 1.94 1.34 1.0 0.74
Borg-Warner T5 5 2.95 1.94 1.34 1.0 0.63
Borg-Warner T56 6 3.36 2.07 1.35 1.0 0.80 0.62 '93 Z28
Borg-Warner T56 6 2.97 2.07 1.43 1.0 0.80 0.62 '94 Z28
Borg-Warner T56 6 2.66 1.78 1.30 1.0 0.74 0.50 '95- Z28
Ferrari 550 5 3.15 2.18 1.565 0.935 0.758
Ferrari 550 6 3.15 2.18 1.565 1.19 0.935 0.758
Ferrari F50 6 2.79 2.0 1.59 1.32 1.11 0.90
Ford 4 2.32 1.69 1.29 1.0
Ford Toploader 4 2.71 2.04 1.51 1.0
Ford Toploader 4 3.16 2.22 1.41 1.0
Ford Mustang 86-88 5 3.35 1.93 1.29 1.0 0.68
Ford MustangB/W 89-94 5 3.36 1.99 1.33 1.0 0.68
GM TRUCK NV4500 5 5.61 3.04 1.67 1.0 0.73
Harley-Davidson Andrews 5 2.605 2.026 1.489 1.216 1.0
Harley-Davidson EV-5 5 2.779 2.026 1.489 1.216 1.0
Harley-Davidson Sports 5 2.688 1.969 1.433 1.180 1.0
Harley-Davidson TC-5 5 3.21 2.209 1.572 1.226 1.0
Hewland TransAm 5 2.56 1.74 1.52 1.24 1.04
Jeep T-176 4 3.52 2.27 1.46 1.0
Jeep T-177 4 3.82 2.29 1.46 1.0
Jeep T-178 4 3.00 2.08 1.46 1.0
Lotus Esprit 5 3.36 2.06 1.38 1.04 0.76
Muncie M20 4 2.56 1.91 1.48 1.0
Muncie M20 4 2.52 1.88 1.46 1.0
Muncie M21 4 2.20 1.64 1.24 1.0
Muncie M22 4 2.20 1.64 1.24 1.0
Muncie SM465 4 6.55 3.58 1.57 1.0
New Process Chrysler 4 3.09 1.92 1.40 1.0
New Process Chrysler 4 2.66 1.91 1.39 1.0
New Process Chrysler 4 2.65 1.93 1.39 1.0
New Process Chrysler 4 2.47 1.77 1.34 1.0
Porsche Carrera 6 3.82 2.20 1.52 1.22 1.02 0.84
Reynard X-Trac-Seq 6 2.77 2.20 1.88 1.65 1.47 1.35 Transaxle
Richmond Gear R.O.D 6 4.06 2.22 1.57 1.23 1.09 0.88
Richmond Gear R.O.D 6 4.06 2.22 1.57 1.23 1.09 0.81
Richmond Gear R.O.D 6 3.27 2.13 1.57 1.23 1.09 0.76
Richmond Gear R.O.D 6 3.01 1.88 1.46 1.19 1.09 0.62
Richmond GearDoug Nash 5 3.27 2.14 1.57 1.23 1.0
Saab 9-5 5 3.38 1.75 1.18 0.89 0.66
Saginaw III 4 3.50 2.30 1.60 1.0
Saginaw II 4 3.10 2.20 1.47 1.0
Saginaw I 4 2.56 1.81 1.35 1.0
Saginaw 0 4 2.85 2.02 1.35 1.0
note: Roman numeral indicates number of grooves on the input shaft
Saturn -1996 SC2/SL2 5 3.25 2.06 1.423 1.032 0.73
Saturn 1997- SC2/SL2 5 3.25 1.95 1.423 1.032 0.73
Saturn 1997- SC1/SL1 5 3.25 1.95 1.172 0.811 0.605
Toyota Supra 6 3.83 2.36 1.69 1.31 1.0 0.79
Tremec 3550 5 3.27 1.98 1.34 1.0 0.68
Tremec 3750S 5 3.18 2.06 1.39 1.0 0.65
VolksWagen GTI 5 3.45 2.12 1.44 1.13 0.91
VolksWagen Beetle 5 3.78 2.12 1.36 1.03 0.84
Yamaha YZF-1000 5 2.57 1.78 1.38 1.17 1.04
ZF '93-'96 Corvette 6 2.68 1.80 1.31 1.0 0.75 0.50
ZF Viper 6 2.66 1.78 1.30 1.0 0.74 0.50
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