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RichPA · 06-30-2016, 05:47 PM

Sounds like the advance mechanism is sticking sometimes, not always retarding when it should. Using higher octane may not be needed in your car if the advance works right.

06-30-2016, 05:47 PM	#14
RichPA Senior Member Join Date: Sep 2010 Location: rowland PA Posts: 186	Re: Pinging Sounds like the advance mechanism is sticking sometimes, not always retarding when it should. Using higher octane may not be needed in your car if the advance works right.