I datalogged before and right after I put it in the tank, but I forgot to do a kam reset. There wasn't a drastic difference immediately after, but my second pull did look much better. A few days later I did a kam reset and pulled the battery cable for a complete relearn. I have a 91 octane tune from Brad and with winter blend 91 around here, we almost immediately hit a brick wall tuning wise. After Aces my OAR is consistently -1, but now I'm trying to track down false knock. Once I get that ironed out, we'll find out exactly how far we can push it and I'll have better info.
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