Micah, someone posted he did a dyno tune, and the most power was made at 0.88-0.90. So you might be a little rich...although I would expect the O2 sensor data to vary a little from car to car...

Marco Tatta
98.5 SE MTX, Duratec
EGR block, fog light
fix, custom shift boot, monsterflow intake, Ecotek valve
Quasi dual cardoctor exhaust.
Hacksaw short shift, Momo race "s" carbon knob, ghetto rear strut bar, 16 inch cougar wheels with 225/50/16 kumho 712s