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Old 01-22-2014, 09:57 PM   #4
mlo714
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Join Date: Jul 2013
Location: Myrtle Beach SC
Posts: 18
Re: How do I get rid of "spark knock"

Its a '72 307 with a 2bbl carb. I am very new to doing this on my own. I havnt checked it with a light yet. I know the difference between advance and retard but that's about it. Ill check it this sat and try to retard it a little and see if it goes away. I put new plugs in it and didn't gap them. It was having the knock before the new plugs as well.
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