Fat Cat vs. Boarzilla
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Joined: Oct 2022
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From: Texas
Here's my understanding. If we flow the same volume of air (or fluid) through a large pipe and a small pipe the velocity will be higher through the small pipe. There's a sweet spot between a small pipe being too restrictive and a large pipe slowing the velocity too much. There's just as much water flowing through the narrow part of the river as the wide part.
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Joined: Jul 2014
Posts: 8,590
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From: Cental, MI
nd e
Hinting at the "Why" ... custom...one off pipes, are the Best for Highest performance..
BTW the Wider the RPM band being Used...the more Complicated the Exhaust!! There is more than one reason that the crossover Headpipes on a "warmed" 80 incher work so damn good....accross the RPM Range.
Yes, Velocity (at the Port) is Where it's At!!!! For Fill.
Here's my understanding. If we flow the same volume of air (or fluid) through a large pipe and a small pipe the velocity will be higher through the small pipe. There's a sweet spot between a small pipe being too restrictive and a large pipe slowing the velocity too much. There's just as much water flowing through the narrow part of the river as the wide part.
BTW the Wider the RPM band being Used...the more Complicated the Exhaust!! There is more than one reason that the crossover Headpipes on a "warmed" 80 incher work so damn good....accross the RPM Range.
Yes, Velocity (at the Port) is Where it's At!!!! For Fill.
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