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Old 08-05-2014, 03:41 PM   #10
pbp1
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Join Date: Mar 2013
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Default Re: Weather stations

That is the way I read it but I just wanted to make sure. This highlights the need to find the A/F ratio that YOUR engine runs best at, not what your buddy or what the forum said is the best! If you find that optimum A/F ratio for your engine, and you do whatever you have to maintain that A/F ratio as conditions change, your performance should only move with the changes in air density, which should make your weather station a more reliable predictor of performance.
Interestingly enough, the factors that the weather stations use as far as air density are the exact same factors (and the same math) that a true speed density EFI system uses.
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