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Old 05-19-2025, 12:33 PM
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Stan Weiss Stan Weiss is offline
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Quote:
Originally Posted by HWYSTR455 View Post
Iron heads usually favor split duration profiles, leaning more towards the exhaust. There would be an improvement, how much is the question though.



.
Maybe Steve can weigh in. The flow numbers I have show that the 670 doesn't flow as good on the intake as some other Pontiac heads do, but does flow better on the exhaust.

Stan

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