Gotta be honest, engine may not work properly without regulating the rest of the sensors; you'll be getting too much fuel overall and will likely stall out. I would suggest purchasing a junkyard ECM and swapping that in or send that off for upgrades/rebuild. May not seem like it, but there are still a multitude of sensors on the engine that need to be controlled properly.im removing ecm for upgrades. with the vacuum advance distributor is their a certain reluctor needed? or will one out of a slant 6 work?