Vintage Mustang Forums - View Single Post - Autolite 2100 carburetor vacuum issue ('68 302)
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post #4 of (permalink) Old 06-11-2019, 12:14 PM
Join Date: May 2019
Posts: 81
You say you have fuel to the bowl, but is the bowl filling? Pop the top off the carb to check if not sure, if it is not then you likely have an issue with the float or needle and seat. Stuck, installed incorrectly, etc. If the bowl is full (1/2" or so from the top edge) then there could be a vacuum problem but it would have to be pretty huge. There is no vacuum under the manifold in the area of the oil shield and that little smashed spot is a drain. You can open it up a little with a screwdriver if you want, but it will not affect your problem at all. Your plugged vacuum port is fine at this point.
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