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Air Fuel Ratio Base

Posted: May 12th, 2025, 10:22 am
by xco93
Hello,
i was wondering what are the math behind the AFR base for RX8 Series 1 and could you help me out to calculate properly.
in the ROM this value is 1/AFR

I have try all the following values (goal is to approach the E-85 ratio).
13.85 = 0.07196
9.83 = 0.090564117
8.8 = 0.094951175