First 4th gear log after changing tune. Added 4 gal e85, drove a mile, flashed E20, drove a mile, then took log. 75F ambient in SA. Ethanol content 18-29% estimated, 26% assuming 6% 91 and 83.3 for E85. Datalog File: 2020-05-02 15_38_41 000021571DAA01 v1.08 Stage2 Plus E20ꨩ.csvFuel Type: 91 Octane