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Old 11-17-2003, 09:13 PM   #15
turboICE
Scooby Specialist
 
Member#: 33979
Join Date: Mar 2003
Chapter/Region: Tri-State
Location: N.NJ
Vehicle:
2006 STi,'11 OBS
WRB & Black/Silver

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I agree he is investing a lot for the community and by no means am knocking that. But I am questioning the value of the cost if the results aren't valid. Suppose in his testing header A is "best" but in an independent full tune test header D is? Which header would you want. Of course as I said I doubt there will be as much statistical difference as someone might be hoping for if they were all tuned.

We are dealing with a poor layout for a single turbo on the side. Even the equal length don't get the benefit you would hope for since they are rarely equal backpressure due to design necessitities. The flat four really should be a dual turbo or a single turbo should have its exhaust inlet centered behind the motor with equal length and mirror design 4-2-1 - with a 2-1 for each head.
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