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03-12-2011, 09:55 AM
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#1 |
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Registered User
 Join Date: Nov 2009
Location: San Antonio TX
Posts: 251
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Vacuum help
I am in the process of connecting the vacuum lines but need a little support. I need to connect the Pcv from the valve cover and the vacuum gauge on my cluster. I have two spots, vacuum port on the intake and vacuum port on the carb (625cfm Carter ). Which connection goes where??
Thanks Posted via Mobile Device |
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03-12-2011, 11:39 AM
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#2 | ||||
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"I ain't nobody, dork."
Join Date: Sep 2007
Location: Whidbey Island, Washington
Posts: 8,971
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Re: Vacuum help
The PCV is gonna be a bigger line (3/8" or so). So it needs to go to a large vac port. Usually in the back of most carbs. I would hook the gauge up to mainfold vacuum port if it's possible. If not... hooking it up to the carb port will be okay.
Gary
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03-12-2011, 11:41 AM
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#3 |
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Registered User
Join Date: Jul 2010
Location: SE Washington state
Posts: 80
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Re: Vacuum help
PVC valve goes to the carb port, vac guage reads manifold vacuum.
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03-12-2011, 12:12 PM
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#4 |
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Registered User
Join Date: Jan 2011
Location: Illinois
Posts: 34
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Re: Vacuum help
Both need direct manifold vacuum source. The PCV is larger hose to pull a greater volume of air from the crankcase. The gauge is the smaller hose, just needs a source to sense vacuum.
Bryce |
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03-13-2011, 08:04 PM
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#5 |
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Registered User
Join Date: Nov 2009
Location: San Antonio TX
Posts: 251
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Re: Vacuum help
thank you guys for the help. I usec a 3/8 barb fitting and connected the PCV valve to intake and connected the vacuum gauge to te port in back of the carb. thanks again.
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