I just realized, that's all well and good to get a more accurate reading, but I'm really talking about relative readings anyway. They will all be relatively accurate to each other, so when I read more MPG, I'm getting more than I was, regardless of the actual numbers. That's all I was getting at. And I'm getting the highest MPG for any given speed at a MAP reading of 20 inHg.
Furthermore, if the readings are off, I would be willing to bet it's by a negligible amount.
Also, yes, it is a speed-density system. But that system does take into account the MAP.
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