Iv been looking up the differences between the AOD(what i have) and the 4R70W Transmission. What all would i need to transplant the wide ratio gear set-up from the 4R70W into my AOD. Id love to have greater first and second gear pulling power.
1993 Thunderbird LX, Stroked 4.2L Complete Cold Air Intake, AOD w/stage 2 shift kit(soon to be 5speed)
Why don't you install a S.C. transmission ? To answer your question the entire back half
with planetaries of the r4 is supposed to fit your aod. Not recommended because your
older computer with the new gear ratio will not know when to shift. You could have
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