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flatjack9 · 09-23-2019, 11:58 AM

Why can't you have full vacuum and full mechanical at the same time? If you have the mechanical all in in at say 2000 rpm, at light load you'll still be pulling 16 - 18 in hg.

09-23-2019, 11:58 AM	#25
flatjack9 Senior Member Join Date: May 2010 Location: Oshkosh, Wi Posts: 4,526	Re: timing advance how much is to much Why can't you have full vacuum and full mechanical at the same time? If you have the mechanical all in in at say 2000 rpm, at light load you'll still be pulling 16 - 18 in hg.