Making an AFC work? And other fuel questions. [Archive] - Toyota MR2 Message Board

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Well, some of us dont really have the money to blow 1500 bucks on an EMS... So we make do with an AFC. But how do you tune it? From what i understand, when you use the AFC to restrict fuel from large injectors, the ECU advances timing to compensate. I remember talking to ATS Aaron a while back. I cannot remember the full extent of the conversation, but if i remember correctly he told me to get some adjustable camgears, retard the timing two degrees, Then restrict fuel with the AFC so