most efficient engine speed is often near peek torque, and on a crx hf that is at 2,500 rpm, so on that car you really don't want to go past 2,500rpm.
Quote:
Originally Posted by jonr
Ideal would be a WAI that could be switched in and out. Switch to cold when you need the power. (it's called carb heat on an airplane).
I highly doubt that not exceeding 2500 rpm is maximizing your FE - the engine is most efficient at outputs higher than that. Try accelerating a little faster.
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