Does anyone know the average CFM Flowing through the RB26 Intake Plenum? - GT-R Register - Nissan Skyline and GT-R Drivers Club forum

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Old 27th January 2014, 12:20 PM   #1 (permalink)
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Does anyone know the average CFM Flowing through the RB26 Intake Plenum?

Does anyone know the average CFM Flowing through the RB26 Intake Plenum? I need to know as I am trying to work on a little project to balance out and equalise the airflow through each of the 6 ports on my intake plenum. Im worried this might be a "How long is a piece of string" kind of question but all help would be appreciated?

Im sure one of you must have measured this?

Cheers

AB
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Old 14th February 2014, 01:51 AM   #2 (permalink)
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Average?

An average mass flow number for an engine is a pretty useless number.

You'll be able to calculate your mass flow rate with simple density calculations once you have decided what hp and what rpm you want the average bulk rate number.
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Old 14th February 2014, 12:05 PM   #3 (permalink)
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I think "Scott" is the man to ask.
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Old 14th February 2014, 01:10 PM   #4 (permalink)
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Just trying to help. I've got some relevant experience having done cylinder head development since I was 16 and have cnc head equipment and my own flow bench in my garage now that I've stopped doing it professionally.
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