OK, I will be doing a before and after with the ecotek valve this weekend, so I'd like to know my way around O2 sensor voltage. AFIK, 0.86 is lean, and 0.88 is rich...

Anyway I can convert these voltages to A/F ratios? What is a safe A/F or voltage on a steady 80mph cruise? What about WOT?

TIA


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