did a quick data logging. 60 degrees outside temp, spark was 24 degrees with knock sensor at 4 degrees. This morning at 45 degrees outside temp timing was 30 degrees with 0 degrees on the knock sensor. af lambda was .83 or 12.2 af ratio. The computer should increase timing until it sees knock. And look how much different the numbers are with a big change in outside air temp. Yes 30 may be "to high" but with knock sensor at 0 there should be no cause for worry.
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