The major differences between these transmissions are that the 4R70W is an
electronically controlled version of the AOD and the 4R70W received upgraded
“wide ratio” gearing for 1st and 2nd gear.
The AOD has the following gear ratios:
1st- 2.40
2nd- 1.47
3rd- 1.00
Overdrive- .67
The 4R70W has the following gear ratios:
1st- 2.84
2nd- 1.55
3rd- 1.00
Overdrive- .70
electronically controlled version of the AOD and the 4R70W received upgraded
“wide ratio” gearing for 1st and 2nd gear.
The AOD has the following gear ratios:
1st- 2.40
2nd- 1.47
3rd- 1.00
Overdrive- .67
The 4R70W has the following gear ratios:
1st- 2.84
2nd- 1.55
3rd- 1.00
Overdrive- .70