I'm happy with SD, MAF and fuel trims but there is knock between 2400 and 3200 rpm that I'm not understanding. I don't think it is false knock because it shows up at the same spots. I have halved underspeed/overspeed and lowered high and low octane tables by 1.5 at that RPM range. I haven't gone lower because sometimes it is as low as 1 other times 3 and I don't think lowering it is doing anything.
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