I have had this FAST computer for several yeas and just now starting to use it on a supercharged sbc with a TPIS mini ram. I am tuning on E85 for fuel and 105 lb injectors, speed density, closed loop. I am waiting on a new IAC. My iac "status" stays at 15 no matter what. "Target iac" gets up to as high as 90 to 180. No matter what changes I make to the tables, it stays rich around .55-.60 lambda. I thought maybe the iac was causing this, so I removed the iac and let full idle air flow in. It was still the same richness. I have tried checking the box for flex fuel and unchecking it and it doesn't seem to make any difference. I have a flex fuel sensor wired in. Any suggestions from those in the know?