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

hello, thanks for mentionning my github project :beertoast basically nothing rocket science take the VE table multiply all by 130% and you re good to go for e-85, you need to fine tune the 130% depending on your blend (130% works well with 75% Ethanol blend). still fine tuning the cold cranking as w...

Hello, Quick update i have open a github project in order to maintain my E-85 tune(s). So far 40Km driven since the flash on the 1.02 of my tune, no issue yet despite not enough background yet on cold start. Feel free to review/comment my tune availlable here : https://github.com/xcorbel/RX8-E85-Vtu...

Hello,
Thanks for the answer, however i m quite sure that people will convert likely in buyer of versatune for this E85 tune.
Best regards

Helllo, Why did you not include a RX-8 E85 Tune in the default database of Versatune Lite ? Can we get a "E85EU Octane tune for 100% stock 6 port RX-8" based on "91US/95EU Octane tune for 100% stock 6 port RX-8" when we buy Versatuner full version ? I'm considering buying versatu...