Today I tried 5 gallons of 100 octane unleaded with the rest 91 Shell. I also flashed to Stage 2, 93 octane 5.8 map (non-ACN) and, wow, the car feels like a beast. Since I'm in AZ, I suppose this mix is probably netting me 93ish. Hopefully, everything is in sync as I didn't log, but feels strong and powerful.
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