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Old 02-21-2015, 06:22 PM   #1
tucsonjwt
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Join Date: Jul 2007
Location: Tucson, AZ
Posts: 3,199
Mysterious Nipple
Does anyone know what the this nipple on the back of the intake manifold on my 83 C20 454 is supposed to connect to? I have a short vacuum hose that is coming from a Tee after a small vacuum valve that is blocked off and not connected to anything. I think there might be some sort of device that is supposed to go there. Thanks.
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