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Originally Posted by Jditlfm when does no2 stop being worth it? like when you have to retard the timing so much to spray a big shot, when you could actually be faster with a smaller shot but more timing, or is that well into the directport territory and we start talking about dedicated fuel systems and race gas? |
Assuming you are running good fuel, when spraying nitrous retarding the timing isn't costing you horsepower. It's all about "timing" of course. Nitrous causes a quick and violent burn. Since the burn is quicker you must retard the timing to have the peak cylinder pressure occur at the correct time in relation to the position of the piston. So retarding the timing actually makes more power and (of course) it saves the motor from distruction.