slightly general FI quesiton [Archive] - Toyota MR2 Message Board

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so I was just thinking....when your running forced induction on the old ecu (piggybacked though) and the old o2 sensor......wouldnt the added exhaust flow make the computer think the car is running rich? and to stack it...if its a V type engine...if one of the upstream o2 sensors is reading both banks...wouldnt that make it seem even richer? i want to go FI on my slivertop at some point so it is a good consideration but i have a v6 turbo