I have a Ram Air 502 EFI Crate Engine for mine. I haven't been able to talk to someone that has experience with this engine yet. I heard mixed opinions about it. Runs great with awesome response. Not sure about the MPG yet with the 700R4 tranny and Ford 9" with 370 gears. Haven't got it on the road yet. Some people like the lap top fine tuning options of other EFI's. I'm not sure how much, if any, fine tuning change capabilities mine has either.
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