Quote:

I know that there are no hardware differences between them, just what conversion you use. my understanding is that it reads in lambada, and we tell it what to convert to. I think, but I not certain that we can simply use lambada, and not use a conversion if we want



You can convert Lambda to A/F in the software. Or you can use lambda. The conversion to A/F from Lambda is.
Lambda x Stoich
I believe Stoich for E85 is somewhere around 9.7:1.

Anthony