FINALLY!!!
Got the damn thing running right... replaced the sump screen on the fuel pump, relocated the O2 to a place where it gets readings from all cylinders as opposed to 2, left the neg terminal disconnected for about an hour and a half to reset everything... Runs like a dream.
On another note, still unable to solve noise in rear driver brakes... might be a bearing... gonna replace both rear ones just to be sure. AAAANNNDDDD I need a new waterpump... mine is leaking when the car is off... *sigh*
Tomorrow... gets new front tires... exhaust work and waterpump.