Transmission Ratios
These are for stock transmission, yours may vary.

MANUAL TRANS:

MUNCIE (SM) 465
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
NV4500
Chevy
1st 2nd 3rd 4th 5th
5.61 3.04 1.67 1.00 0.73

 

AUTO TRANS:

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
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