I was wondering what kinda set ups there are out that that I would be able to wire up a Air/Fuel gauge and wideband, and use the FMU to tune it so that at WOT, I am rich enough.

I would plan on getting at least a mail order tune, to pull some timing and such. But just thought this may actually be a somewhat reliable way of tuning the A/F with the FMU at WOT. I would get it on a dyno to confim it but ...