Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - Ported Vacuum or Manifold Vacuum?
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Old 09-05-2008, 10:21 AM
red65mustang red65mustang is offline
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I agree with Old Bogie, it really depends on all of the car/motor/drive train specifics to determine which of the two ports many possible different benefits are most needed...

here's a Pontiac 455 side by side (different build's) article link on manifold versus ported to add some insight....
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