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Old 02-18-2010, 06:16 PM   #1056 (permalink)
KEVTEX
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Intake piping size will affect efficiency. 5psi at the intake manifold will produce the same power when delivered through a 1/2 inch pipe as it would with a three inch pipe. The system using the 1/2 inch pipe would waste a lot of the power produced in forcing enough air through the pipe to yield 5psi at the manifold. Pressure inside the 1/2 inch pipe would be about 36 times higher than the pressure in the 3 inch pipe to deliver the same 5psi at the manifold.
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