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top speed headers anyone?

You can exceed 100% volumetric efficiency in an N/A motor with pulse tuning. Pressure waves on the intake side can force more air in to the cylinders than they take

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		Nissan 370Z Forum > Nissan 370Z Tech Area > Engine & Drivetrain > Intake/Exhaust
top speed headers anyone?

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10-19-2011, 01:00 PM	#10 (permalink)
pulpmelon_Z Base Member Join Date: Oct 2011 Location: UK Posts: 23 Drives: 370z Rep Power: 15	You can exceed 100% volumetric efficiency in an N/A motor with pulse tuning. Pressure waves on the intake side can force more air in to the cylinders than they take at normal atmospheric pressure. Next, pulses leaving the exhaust ports in the head can be focused and amplified by the header to drag waste gasses out and leave a vacuum behind in the port. This serves to pull even more air in once the inlet valve opens. Its just super mathmatical, and expensive to do the testing on the correct shape, size and length components to achieve this!

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