Opinions wanted ( analysis of the effects of spark advance variation on vacuum)

[Bruce]

They are more mutual rather then exclusive, then folks often think.
Bruce


> This is the type of info that I am very interested in, especially since my
> EFi goals are economy, emissions, and drivability as opposed to max power.
> I too have found higher idle vac at more advance than stock.
> Ron Schroeder


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