97'SOHC with a Jackson supercharger won't pass missions.Before it was both O2 sensors replaced both of them(ran lean) one passed the other isn't ready and the cats fine but,that isn't ready either.3 codes EVAP-O2 heater-CAT(but I checked cat and its fine)Put about 4-500 miles on it did readiness driving everything.Jackson Racing doesn't even know and can't help how sad is that.ASAP i'm driving on expired tags!!!