The Ford Barn - View Single Post

flathead4rd · 07-03-2010, 09:16 AM

Do not connect to manifold vacuum, only use the ported vacuum off of the carb. It is my understanding that trying to use the ported vacuum on a dual carb setup does not work properly and most change the dizzy to a full mechanical advance one.

07-03-2010, 09:16 AM	#11
flathead4rd Senior Member Join Date: May 2010 Location: Michigan Posts: 583	Re: running dual carbs Do not connect to manifold vacuum, only use the ported vacuum off of the carb. It is my understanding that trying to use the ported vacuum on a dual carb setup does not work properly and most change the dizzy to a full mechanical advance one.