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  #11  
Old 01-25-2017, 07:57 PM
supremeefi supremeefi is offline
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Quote:
Originally Posted by Tinker View Post
With mpfi there isn't even any fuel in the intake runners so fuel puddling in the intake is non existent. The single plane works very well with efi.
Sorry but your info is incorrect. Although puddling would be reduced with EFI, it can still occur.
People use single planes for EFI because they're easier to machine, all the runners are the same height.
Right from Keith Wilson of Wilson manifolds "if a dual plane is the right intake for a carbed application, then it would be for an EFI application as well."
Case in point, I had a single plane on my EFI'd small block Olds. I went to an EFI'd dual plane, the dual plane was head and shoulders above the single plane. It was the right intake for my application, EFI'd or carbed, plain and simple.
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  #12  
Old 01-26-2017, 08:49 PM
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novahollic novahollic is offline
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Here's an interesting thread I came across a while ago. Obviously you are running the Holley system rather than FAST, but the concept is the same.

http://www.cpgnation.com/forum/threa...e-plane.25871/
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Old 01-26-2017, 08:56 PM
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Vacuum is a factor as well. Modern engines tend to have less overlap to make the same power.
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