to start with ratio
Transmission & Transfer Case Ratios (All :1)
Model Engine Dates Spds 1st 2nd 3rd 4th 5th R Tfrlow
FJ25? -- -- 4 5.41 3.12 1.77 1 -- 5.44 --
J30 F 69-75 3 2.757 1.691 1 -- -- 3.676 2.313
H41 F -- 4 4.925 2.643 1.519 1 -- 4.925 1.992
H41? B 75-80 4 5.299 2.843 1.634 1 -- 5.299 1.959
H42 F,B 73-75 4 3.555 2.292 1.41 1 -- 4.271 1.992
75-80 4 3.555 2.292 1.41 1 -- 4.271 1.959
81-82 4 3.555 2.292 1.41 1 -- 4.271 2.276
H55F F,B 83- 5 4.843 2.619 1.516 1 0.845 4.843 1.959/2.276
H150F HZ -- 5 4.529 2.464 1.49 1 0.881 4.313 2.488
H151F FZ,HD -- 5 4.081 2.294 1.49 1 0.881 4.313 2.488
A440F -- 4? -- -- -- - -- -- 2.488
A442F FZ,HD -- 4 2.95 1.53 1 0.765 -- 2.678 2.488