Lean idle. Rich cruise.

Newbomb Turk said

I haven’t. But it will retard. At what RPM and how much there is no way of telling until you test for it.

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I know on Westech’s dyno the 7AL-3 box is a few degrees different (don’t remember more or less) than the other box they use (and I don’t remember which is the other box) but they account for it.