Lean idle. Rich cruise.

LOL…your last statement is what Tuner always says.
You mean like this?

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Tuner has a gift in understanding and explaining how the science and engineeering are applied in practice.

I do agree. When you see something wacky, there is no point in starting there. Start with a combo that is at least in the ballpark unless you have the time and interest to experiment just to see what it does.