02-26-2014, 10:42 PM

Oldeboy70

Junior Member

Join Date: Jul 2013

Posts: 24

Intake Manifold Question

Question on this stock intake manifold for my 1970 400. This appears to be a vacuum connection but I don't see what would have been connected here. (right next to the "firing order" text)
Seems like it would make a vacuum leak if it were uncovered.
Thanks for the help.

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