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Old 12-02-2012, 12:50 AM   #22
AVOturboworld
 
Join Date: Jan 2012
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Quote:
Originally Posted by jshadeck View Post
Correct me if im wrong, but with FI, isnt the UEL a moot point regarding the "boxer sound", wont that be lost at the turbo? This will be my first turbo boxer, so im not speaking from experience, i come from supra knowledge
No - exhaust is flowing through/past the exhaust blades, it doesn't stop completely at them, or even slow down that much. So the "pulses" come through quite clearly.

I think that one thing that is being lost in the big debate between UEL/EL is that that all is based on data taken from WRX's and STI's, which had a much, much longer path from exhaust port to turbocharger. This made pressure loss and pulses more important in efforts to retain spool response.

However, with the UEL setup we are using it differs drastically from those cars in that it's an incredibly short distance from exhaust ports to turbo, and the gains in response/pressure will far outweigh the gains of lengthening the exhaust manifold piping just to make it equal length.
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