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Manifold vacuum stem
https://www.slantsix.org/forum/viewtopic.php?t=22965
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Author:  Guest [ Mon Apr 30, 2007 2:48 pm ]
Post subject:  Manifold vacuum stem

Is there an actual name for the manifold vacuum stem? My 2bbl intake manifold has that port plugged off, and I would like to get a stem for it. Is there a place that sells them new?

I have a new Holley 350cfm 7448 from Jegs. The only vacuum port on it is for the distributor vacuum advance (besides the PCV port) so it looks like I need a stem on the manifold to run my vacuum gauge off of. Is this correct?

Author:  SlantSixDan [ Mon Apr 30, 2007 4:16 pm ]
Post subject: 

vacuum tap (if it has one nipple), vacuum tree (if it has multiple). All you need is a brass fitting of the correct pipe thread on one end, and a hose nipple of the correct diameter on the other. Weatherhead, Dorman, NAPA, etc.

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