Ebay GT45 + 5.9 Magnum + E85 blow thru

The baseline tune on the FiTech is for a 350 chevy, running gas. FiTech has a basic setup which allows you to plugin the CID, spark type, Cam profile (1-4) and a few other items. After that, you can specify your target AFRs throughout different profiles; Idle, cruise, WOT N/A...and then they have a boost specific profile where I set my target AFRs specifically for E85....everything on the gas scale, not Lamba.
There is a ton of tuneability available in the hand held but so far I've focused only on the basics and it seems to be working great. After warm up, the street manners are really nice.