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Bob Bidonde · 02-11-2015, 07:47 AM

Change the ignition timing (retard it) so you get full travel of the spark lever. In time you will know where the maximum advance of the lever occurs without knock.

02-11-2015, 07:47 AM	#11
Bob Bidonde Senior Member Join Date: May 2010 Location: Long Island, NY Posts: 4,112	Re: 5.5 Snyder head Change the ignition timing (retard it) so you get full travel of the spark lever. In time you will know where the maximum advance of the lever occurs without knock. __________________ Bob Bidonde