Quote:
Originally Posted by OrdnanceMarine
Probably no real difference on the dyno and any difference would probably be due to the true octane being slightly different from the advertised octane (remember, it's the average of the two methods, at a minimum). The difference would be in MPG. Straight gasoline just plain and simply has more energy (BTU) per gallon than ethanol has and therefore takes less fuel to produce the same amount of power. The reason you wouldn't lose power on the dyno would be that the injectors would just be commanded to inject more fuel for a given amount of air.
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ah alright sounds good man that clears up a lot of things thanks
