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Old 03-23-2007, 09:27 AM   #1
Casull

 
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Ported headers

Ok.... I was bored and looking around at the various bolt-on possibilities that I plan to purchase for the new Camaro. I had a question about ported headers though.... without sounding like an idiot, what exactly does it mean for the exhaust manifold to be "ported"? I know that it increases flow, but what is the difference betwen a ported header and a non-ported header?
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Old 03-23-2007, 01:42 PM   #2
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I dont know havent heard of them. I would guess they have holes "ports" on the headers to let excess air out to reduce backpressure further or let air into the pipes to get better flow.
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Old 03-23-2007, 03:33 PM   #3
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This, is what I've learned to love about this site. When a subject comes up, and I have no Idea what I'm, or anyone else is talking about, I look it up and learn something new and useful every day.

here's what I found, I think this is what you meant...don't know how "ported" holds any relevance though.
http://www.newcelica.org/forums/showthread.php?t=204266
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Old 03-23-2007, 03:44 PM   #4
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Quote:
Originally Posted by Dragoneye View Post
This, is what I've learned to love about this site. When a subject comes up, and I have no Idea what I'm, or anyone else is talking about, I look it up and learn something new and useful every day.

here's what I found, I think this is what you meant...don't know how "ported" holds any relevance though.
http://www.newcelica.org/forums/showthread.php?t=204266
Wow, great find and good info.... that makes a lot of sense. I knew that "porting" the headers somehow increased exhaust flow, just wasn't sure how. That explained it perfectly.

As I now understand it...
"porting" is the process of essentially creating a larger opening and removing the bottleneck in the exhaust manifold.
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Old 03-23-2007, 04:22 PM   #5
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Glad I could be of help.
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