I have successfully controlled closed loop fuel delivery via the AFC. I'd prefer not to share more. Also, with all this ECM tuning, why can't you control the target A/F ratio?
I'm not trying to be on or part of anyones bandwagon. I have very little Z32 tuning expereince. I've become very proficient with LT1 tuning, which by my screen capture, has probably 400% more data tables then the Z32. Ergo, I can understand alot of what I see and can apply it.