Just another thought - The map might be leaner at steady cruise, or using O2 control might keep it 'at it's leanest' if the map has no leaner than 14.7 (thus making closed loop best).
And of course, lean burn (if supported) will likely not be entered if you are pulsing and gliding.
There won't be a hard and fast rule for every car - though the principle for pulse and glide is sound - using inertia as opposed to steady power.
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