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03-19-2016, 11:57 AM
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#1 |
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Registered User
Join Date: Aug 2012
Location: Mount Dora FL
Posts: 120
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250 manifold vacuum ports differences
I am replacing my intake manifold on a 250 6 cylinder and the replacement manifold I purchased does not have a vacuum port on the top of the manifold like my original one has. I was using the one on top for the PCV valve and the one on the side for my power brake booster. Can I use the side port for both PCV and brake booster or do I need to look for another manifold?
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03-19-2016, 12:03 PM
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#2 |
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Registered User
Join Date: Aug 2009
Location: Bowser
Posts: 13,577
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Re: 250 manifold vacuum ports differences
Just drill and tap the new one for the fitting.
You shouldn't combine the pcv and booster on one. |
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03-19-2016, 03:39 PM
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#3 |
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Registered User
Join Date: Aug 2012
Location: Mount Dora FL
Posts: 120
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Re: 250 manifold vacuum ports differences
Where is the best place to tap? The metal seem thin in the same place the OG manifold is ported.
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03-19-2016, 03:52 PM
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#4 |
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Check The Champ, Demonstrator
 
Join Date: Jun 2009
Location: Montreal,Quebec
Posts: 6,627
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Re: 250 manifold vacuum ports differences
There was an adapter fitting that went on the side of the manifold that was included in the dealer installation kit.
__________________
1963 Chevrolet Truck Literature LINK: https://picasaweb.google.com/113840717762774560215 YouTube Channel with 20+ Original Chevrolet Truck Salesmen, Mechanics & Service Department Training Slideshows. https://www.youtube.com/results?sear...otruk63&page=1 |
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03-19-2016, 03:54 PM
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#5 |
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Check The Champ, Demonstrator
Join Date: Jun 2009
Location: Montreal,Quebec
Posts: 6,627
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Re: 250 manifold vacuum ports differences
__________________
1963 Chevrolet Truck Literature LINK: https://picasaweb.google.com/113840717762774560215 YouTube Channel with 20+ Original Chevrolet Truck Salesmen, Mechanics & Service Department Training Slideshows. https://www.youtube.com/results?sear...otruk63&page=1 |
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03-19-2016, 03:59 PM
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#6 |
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Check The Champ, Demonstrator
Join Date: Jun 2009
Location: Montreal,Quebec
Posts: 6,627
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Re: 250 manifold vacuum ports differences
If your not particular of originality you could use one of these with adapters.
__________________
1963 Chevrolet Truck Literature LINK: https://picasaweb.google.com/113840717762774560215 YouTube Channel with 20+ Original Chevrolet Truck Salesmen, Mechanics & Service Department Training Slideshows. https://www.youtube.com/results?sear...otruk63&page=1 |
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03-19-2016, 04:02 PM
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#7 |
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Check The Champ, Demonstrator
Join Date: Jun 2009
Location: Montreal,Quebec
Posts: 6,627
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Re: 250 manifold vacuum ports differences
__________________
1963 Chevrolet Truck Literature LINK: https://picasaweb.google.com/113840717762774560215 YouTube Channel with 20+ Original Chevrolet Truck Salesmen, Mechanics & Service Department Training Slideshows. https://www.youtube.com/results?sear...otruk63&page=1 |
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03-19-2016, 04:03 PM
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#8 |
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Check The Champ, Demonstrator
Join Date: Jun 2009
Location: Montreal,Quebec
Posts: 6,627
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Re: 250 manifold vacuum ports differences
__________________
1963 Chevrolet Truck Literature LINK: https://picasaweb.google.com/113840717762774560215 YouTube Channel with 20+ Original Chevrolet Truck Salesmen, Mechanics & Service Department Training Slideshows. https://www.youtube.com/results?sear...otruk63&page=1 |
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03-20-2016, 11:25 AM
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#9 |
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Registered User
Join Date: Aug 2012
Location: Mount Dora FL
Posts: 120
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Re: 250 manifold vacuum ports differences
Ordered this from Summit.
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03-28-2016, 11:04 AM
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#10 |
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Registered User
Join Date: Aug 2012
Location: Mount Dora FL
Posts: 120
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Re: 250 manifold vacuum ports differences
Installed new vacuum port fitting and everything is working as it should!
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03-28-2016, 12:11 PM
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#11 |
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Check The Champ, Demonstrator
Join Date: Jun 2009
Location: Montreal,Quebec
Posts: 6,627
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Re: 250 manifold vacuum ports differences
Great, would you have the Summit part # handy for someone else to reference?
__________________
1963 Chevrolet Truck Literature LINK: https://picasaweb.google.com/113840717762774560215 YouTube Channel with 20+ Original Chevrolet Truck Salesmen, Mechanics & Service Department Training Slideshows. https://www.youtube.com/results?sear...otruk63&page=1 |
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03-28-2016, 01:14 PM
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#12 |
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Registered User
Join Date: Aug 2012
Location: Mount Dora FL
Posts: 120
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Re: 250 manifold vacuum ports differences
Classic Performance IN38V60-C - Classic Performance Vacuum Fittings and Assortment Kits
Summit Part Number: CLP-IN38V60-C |
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03-28-2016, 05:11 PM
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#13 |
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Post Whore
Join Date: Mar 2013
Location: Southern Oregon
Posts: 10,384
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Re: 250 manifold vacuum ports differences
Good stuff to know.
__________________
1966 Chevy C10 "Project Two Tone" http://67-72chevytrucks.com/vboard/s...d.php?t=596643 1964 GMC "Crustine" semi-build:http://67-72chevytrucks.com/vboard/s...d.php?t=665056 My youtube channel. Username "Military Chevy": https://www.youtube.com/channel/UC_h...fzpcUXyK_5-uiw |
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03-28-2016, 06:27 PM
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#14 |
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Registered User
Join Date: Aug 2012
Location: Mount Dora FL
Posts: 120
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Installed
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