04-12-2013, 10:20 AM
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CC Member
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Join Date: Dec 2001
Location: Louisville,
KY
Cobra Make, Engine: I'm Cobra-less!
Posts: 9,417
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Not Ranked
Port area isnt constant....
But think of it this way: air and fuel has momentum. It takes time to get it moving. Guys that port their stuff at home have a tendency to hog the ports out as big as they can, thinking a big port makes more power. In reality, a smaller port that flows the same as a big port will most likely perform better because the velocity of the charge will be higher and you can shove more in with respect to time.
Perfect scenario is a port that flows a lot, but is efficient enough to have high velocity as well.
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