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geezer#99 · 11-07-2012, 06:48 PM

Won't hurt it. I ran mine with 14 initial plus 10 from the vacuum at idle.

11-07-2012, 06:48 PM	#7
geezer#99 Registered User Join Date: Aug 2009 Location: Bowser Posts: 13,510	Re: 250 HEI Timing, vacuum advance question Won't hurt it. I ran mine with 14 initial plus 10 from the vacuum at idle.