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Old 03-10-2017, 08:56 PM   #57
gordon_2456
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Join Date: Jun 2014
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Location: Yankton, SD
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Quote:
Originally Posted by KillerBMotorsport View Post
Merge angles come into play much more with N/A applications. the biggest mistakes I see with turbo Subaru headers is people applying N/A design principles to pressurized manifold. N/A and pressurized manifolds will benefit from their own unique ideal design characteristics.

Of course it can be overdone. The FA headers coming onto the market are a perfect example of horrible merge collectors. At some point, you are forcing gasses into other primaries, which is not ideal for unrestricted flow.
But whats nice and different about this design as opposed to others is that they actually establish flow direction instead of one runner blowing into the opposing.
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Last edited by gordon_2456; 03-10-2017 at 11:00 PM.
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