If you run RC 650's on a stock SRT-4 fuel system (which runs at a higher pressure than what RC rates their injectors at), they'll flow around 750 cc/min. You'd end up trying to pull/take away too much fuel with a piggyback (e-manage/DTEC/S-AFC) to get it to run correctly, not that people haven't tried to do that. If you're going to stay with the stock turbo they're overkill and you'd better be served with S2 injectors or a return line kit with an adjustable fuel pressure regulator (where you could turn up the fuel pressure slightly and get more flow out of you stock injectors).
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