Quote:
Originally Posted by Harylufa
Dear Friends!
I have a Ford Holley 2100. I d like to know if I can connect the vacuum gauge in the hole shown in the picture. Can I make any reading there?
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I don't know what that port is on your Holley 2100 carb but I doubt that it is a vacuum port since it is above the throttle plates. The only vacuum is below the throttle plates.
Why don't you use the windshield wiper vacuum hose port? I can not think of a better source for intake manifold vacuum to use with your gauge to read it.