ALSO I HAVE HEADERS AND TRUE DUAL EXHAUST. DOES ANYONE MAKE AN O2 SIMULATOR FOR ANY OBD1 VEHICLES, A 93 SILVERADO 5.7 IN PARTICULAR? OR DOES ANYONE KNOW HOW TO GET AROUND AN O2 SENSOR READING LEAN BECAUSE OF HIGH FLOW EXHAUST?
I HAVE "EXHAUSTED" ALL OPTIONS THAT I CAN COME UP WITH.