Home -ºllllº- Driveline Ratio Guide

Driveline Ratio Guide


Manual
Transmissions:

AMC SR4 (Borg-Warner)
Jeep

1st 2nd 3rd 4th

4.07 2.39 1.49 1.00
SM 420

1st 2nd 3rd 4th

7.00 3.60 1.70 1.00
SM 465 (MUNCIE)
GM, Chevy

1st 2nd 3rd 4th

6.55 3.58 1.57 1.00
T-176
Jeep

1st 2nd 3rd 4th

3.52 2.27 1.46 1.00
T-177
Jeep

1st 2nd 3rd 4th

3.82 2.29 1.46 1.00
T-178
Jeep

1st 2nd 3rd 4th

3.00 2.08 1.46 1.00
Mazda 5-spd
Ford, Mazda?
1st 2nd 3rd 4th 5th
3.40 2.20 1.50 1.00 0.79
NV3500
Chevy
1st 2nd 3rd 4th 5th
4.02 2.32 1.40 1.00 0.73
NV4500
Chevy
1st 2nd 3rd 4th 5th
5.61 3.04 1.67 1.00 0.73
ZF S6-650
Chevy
1st 2nd 3rd 4th 5th 6th
5.79 3.31 2.10 1.31 1.00 0.76
Automatic
Transmissions:
TH 350
Chevy

1st 2nd 3rd

2.52 1.52 1.00
TH 400
GM, Chevy, Jeep

1st 2nd 3rd

2.48 1.48 1.00
TH 700R4
GM, Chevy

1st 2nd 3rd 4th

3.06 1.62 1.00 0.70
4L80-E
Chevy
1st 2nd 3rd 4th
3.10 1.48 1.00 0.75
Allison 1000 Series
Chevy
1st 2nd 3rd 4th 5th
3.10 1.81 1.41 1.00 0.71
C-4/C-5/C-6
Ford

1st 2nd 3rd

2.46 1.46 1.00
Ford AOD
Ford

1st 2nd 3rd 4th

2.40 1.47 1.00 0.67
TORQUEFLITE 727
Jeep, Dodge

1st 2nd 3rd

2.45 1.45 1.00
 
Transfer
Case Ratios:

Dana 300
Jeep

Lo Hi

2.62 1.00
Borg Warner 1356
Ford

Lo Hi

2.69 1.00
DANA/Spicer 18
Jeep

Lo Hi

2.46 1.00
DANA/Spicer 20
Jeep, IH (TC-145), GM, Ford

Lo Hi

2.00 1.00
NP 203
Chevy, Ford, Dodge

Lo Hi

2.00 1.00
NP 205
Chevy, Ford, Dodge, IH

Lo Hi

1.98 1.00
NP 207/208
Jeep, Chevy, Ford, Dodge

Lo Hi

2.61 1.00
NP 231
Jeep (YJ)

Lo Hi

2.72 1.00
Toyota (67-74)
Land Cruiser

Lo Hi

2.31 1.00
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