dougmeyer
Needs a job
moderated
Posts: 2713
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posted March 02, 2007 10:23 AM
I'll dig that up. 'Course you realize that all flow must be at a given pressure and you can't compare any two flows unless they are the same pressure (or vacuum).
  
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Y2KZX12R
Needs a job
CompetitionCNC.com
Posts: 3762
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posted March 02, 2007 11:35 AM
But you can test at lets say 10" and convert it to 28" or whatever. But you do need to know the test pressure of both flow figures.
As a general rule its 1.67 hp per cfm. But thats a very general and optimized figure. It depends on seat timings, dynamic VE, compression, general state of tune and several other substantial factors.
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Y2KZX12R
CompetitionCNC.com
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supra5677
Pro
Posts: 1279
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posted March 03, 2007 08:36 PM
yes sir right on top of it 
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Seth ZX12r UK
Expert Class
Posts: 238
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posted March 04, 2007 08:27 AM
quote:
I'll dig that up. 'Course you realize that all flow must be at a given pressure and you can't compare any two flows unless they are the same pressure (or vacuum).
Doug
What cfm does a stock 12r head flow at the presurres you quoted for you 220cfm head?
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