Randy, the powerfc is a plug n play ecu, takes ya about 10 mins to install and like 10 mins for it to set itself up while idleing, and then your good to go. I think you can get them for like 1000-1100 with controller del, which is a good price. imo thats not mega bucks and its not running a bunch of wires through my car.
Infact, correct me if im wrong, but there would be more time spent in setting up an air/fuel ratio controller then there would be with a powerfc?
Not being rude mate, but what youve said just doesnt seem practical to me at all, or youve got your wires mixed up.