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Old 08-11-2017, 07:04 PM   #2
geezer#99
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Join Date: Aug 2009
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Re: My Engine Dilemma..need honest answers

The little power surge when you back off on the throttle is from your vac advance adding more timing. Which tells you you need to fine tune your timing.
More initial with less in the mechanical that's all in quicker (closer to 2800 rpm).
What's your initial timing set at?
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