12-05-2025, 11:05 AM

Stan Weiss Stan Weiss is offline

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Join Date: Jul 2013

Location: Philadelphia, PA

Posts: 5,338

Quote:

Originally Posted by Stan Weiss

Steve,
Do you know what head that is based on? Port volume can be an indicator of average CSA, but only when the ports have the same port center line length. So a High Port would have a longer port center line length that a standard location port.

Stan

Does anyone know what the Pontiac "D" port intake port center line length is? The number I have is 5.0" which would be shorter than a SBC or BBC. For reference the number I have for a CV-1 intake port is 5.5".

Stan

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