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Old 09-14-2013, 06:54 AM   #2
geezer#99
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Join Date: Aug 2009
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Re: Question for all those on manifold vacuum

THat's how it works, but the question is what's your initial timing set at?
And what's your total timing at idle? Initial plus vacuum advance. It might be too much!
Some vac pots can add as much as 26 degrees.
If you know your total at idle then reduce the initial to compensate.
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