howfueltableajustmentsareapplied
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howfueltableajustmentsareapplied [2012/01/04 13:21] twdorris |
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| Now if you run the math, you'll notice that -9% on the mid airflow curve actually results in 12:1 A/F ratio instead of the 11:1 that would have resulted from the original -14% adjustment on the highest airflow curve. The reasoning behind that is that the factory defined a leaner mixture at that airflow curve for a reason. They did all sorts of tests and measurements and such to decide that at those low airflow values, the engine could tolerate a leaner mixture. They defined almost 11:1 at that airflow versus 9.5:1 at the highest airflow. So instead of our trying to maintain the original 11:1 ratio the user entered by plugging -14% into the fuel slider, we allow the mixture to run a little leaner according to the ratio established by the factory. | Now if you run the math, you'll notice that -9% on the mid airflow curve actually results in 12:1 A/F ratio instead of the 11:1 that would have resulted from the original -14% adjustment on the highest airflow curve. The reasoning behind that is that the factory defined a leaner mixture at that airflow curve for a reason. They did all sorts of tests and measurements and such to decide that at those low airflow values, the engine could tolerate a leaner mixture. They defined almost 11:1 at that airflow versus 9.5:1 at the highest airflow. So instead of our trying to maintain the original 11:1 ratio the user entered by plugging -14% into the fuel slider, we allow the mixture to run a little leaner according to the ratio established by the factory. | ||
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howfueltableajustmentsareapplied.1325701268.txt.gz ยท Last modified: 2012/01/04 13:21 by twdorris
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