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Main : Members : kegs ported ca18det head intake ports

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ported ca18det head intake ports
ported ca18det head intake portsPopular
SubmitterkegsMore Photos from kegs   Last Update2009/1/16 9:24    Tell a friendTell a friend
Hits2234  Comments3    0.00 (0 votes)0.00 (0 votes)
ported myca18det head out im going to remove the entire middle section of the injector manifold i think we are goiing to see some power this time....

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Poster Thread
kegs
Posted: 2009/1/16 10:40  Updated: 2009/1/16 10:40
No life (a.k.a. DattoMaster)
Joined: 2003/1/5
From: campbelltown (sydney) australia
Posts: 1802
 Re: ported ca18det head intake ports
can anyone see a downside to this? what more do they do when u have a head pored professionally? do they just straighten out the airflow path by removing material from the radius inside the valve pocket?

Poster Thread
racinaround
Posted: 2009/1/16 12:31  Updated: 2009/1/16 12:31
Just can't stay away
Joined: 2005/12/9
From: Florida, USA
Posts: 141
 Re: ported ca18det head intake ports
Bigger is not always better. I don't do custom porting but I have seen a fair bit of it in my job. As was mentioned on one of the other pictures that you posted the surface on an intake port should not be glass-smooth, it needs a bit of texture to help keep the mixture homogenous (sp?). If it's smooth the fuel sort of sticks to the port wall. A professional porting job is arrived at by a lot of experience learning what doesn't work and some time on the flow bench to confirm that the things that normally work, work in your application. Most spend a great deal of time reshaping that short turn radius and making sure that there is no lip or hump there to separate the flow. Good luck on your project and let us know how it turns out.