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Old 06-30-2019, 04:15 PM   #7
J Franklin
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Join Date: May 2010
Location: Oregon
Posts: 5,964
Default Re: Sooty Spark Plugs ????

Quote:
Originally Posted by abachman3 View Post
The spark advance should typically be no more than half of the way down. Fully down is too much advance.
Yes too much for slow or hilly travel but not too much speeding down the highway if the timing is correct. Adjust as needed!
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