How easy would it be to swap a 4L60e for a 4L80e

[Andrew Choset]

At 08:37 AM 3/17/99 -0700, you wrote:
>
>Nobody seems to have mentioned this yet, but the 4L60(700R4) or 4L60E
>have different 1st gear ratios than the TH400 based 4L80E.
>If I remember correctly, the 4L60 is 3.4:1 and the 4L80 is around 2.8:1

For what it's worth, The 700R4/4L60/4L60E ratios (all the same) are 

3.06/1.63/1.0/.7

Andrew Choset
88 IROC-Z L98
T56 swap in progress