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Reply to "Seeking advice regarding component selection for an 8 stack E.F.I. induction"

I do not use an IAC. Drive-by-wire controls my idle speed. Even if I did have an IAC, I’d still use a MAP sensor only my plenum would likely be larger, so the two sensors wouldn’t interfere with each other. Some people feel that Alpha-N (no MAP sensor) is a better strategy to use with IR intakes. Others feel a blend of speed density and alpha-n is the way to go. The Holley Dominator will let you use Speed Density, Alpha-N, VE or an unlimited blend of SD and A-N. The Dominator also uses dual O2 sensors; one per side. If you want to save a few bucks I’d look at the specs for the Terminator and Terminator Max very carefully. Make sure there’s nothing you may want to incorporate in the future (eg. drive-by-wire) that one will do and the other won’t. 

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