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Aem Infinity Flex Fuel is wrong?

Flex Fuel Tuning

Discussion and questions related to the course Flex Fuel Tuning


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I am tuning my 2JZ on an AEM Infinity and noticed the base map ethanol content vs Stoichiometric AFR is incorrect? From the research I have done 100% ethanol AFR is 9:1 but on the AEM Infinity base map 100% ethanol its set to 8.30 AFR.

Is this wrong, should I correct it or are my missing something here.

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Yes you're correct, the stoich ratio for E100 is 9.0:1. I'd correct that table if it was me.

Good find man! I didn't notice those were off in mine as well. After doing some research i believe the numbers should read as follows:

14.68 14.05 13.42 12.79 11.84 11.52 10.89 10.26 9.63 9.00

0.00 0.11 0.22 0.33 0.44 0.56 0.67 0.78 0.89 1.00

Sorry, the numbers get squished once i post them