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*EDIT: Due to miscalculation, the original graph is no longer accurate. Please see below for the new graph.*I calculated duty cycle percentages by dividing the injector pulsewidths by 1000, and multiplying by the number of intake cycles per second.

Then, I calculated fuel consumption by taking the 100% duty cycle injection rate (210cc/min), converting it to grams/second, multiplying it by the actual duty cycle percentages, and multiplying by 4 (the number of cylinders I have). I also adjusted the flow rates (measured at the 3 bar standard) upwards by 33% to account for the 4 bar stock FPR.

Finally, I calculated Lambda by dividing measured airflow in grams/second by fuel consumption in grams/second, then dividing by Lambda 1 (14.7:1).

Did I do it right? The data looks good, but I'm worried about the fanout at low airflow rates. According to things Rusty has said in the past, it's acceptable for Lambda to dip as low as .85 (12.5:1) under heavy throttle, but regardless of the way I drive the car, Lambda shouldn't go above 1 -- or at least, it shouldn't go as far above 1 as it appears to have.

Oh, and the handful of data points at the bottom of the graph aren't really Lambda 0, they're actually Lambda Infinite. Yes, I have data points showing that, on occasion, my fuel injectors were COMPLETELY OFF. What the hell does that mean?