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What is this connection on my carb for? |
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CrazyCanuck 
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Joined: July-21-2013 Location: Vancouver B.C. Status: Offline Points: 254 |
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 Topic: What is this connection on my carb for?Posted: October-02-2013 at 9:09pm |
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Hi all.
I got my new carb for the 78, and it has a barb fitting for a vacuum line that goes into the primary body. My existing carb was from a car, and did not have this fitting. I noticed that the Holley 4160's have a similar fitting, just that its not a barb, but a smoother vacuum line connection. Is it just to be capped off, or does it serve a function? Thanks Corey. |
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TRBenj
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Joined: June-29-2005 Location: NWCT Status: Offline Points: 21142 |
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Posted: October-03-2013 at 10:25am |
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It can be capped off, or you can plumb your PCV valve to it. This comes in handy if/when you want to replace your intake with a taller one, and want to eliminate your spacer in order to fit everything under the engine box. Only the newer marine 4160's have this vacuum port.
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CrazyCanuck
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Joined: July-21-2013 Location: Vancouver B.C. Status: Offline Points: 254 |
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Posted: October-03-2013 at 1:01pm |
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Ok thanks.
My pvc valve goes to the spacer under the carb, so I will cap it. |
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