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      03-08-2009, 09:39 PM   #4
Citizen Z
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Drives: '08 135i AW Sport
Join Date: May 2008
Location: Kansas

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The temperature of the intake charge does not impact power in a turbocharged system; only the turbocharger duty cycle. The only case where this is not correct is when you've maxed out your turbocharger. [edit] Ok, never mind, you're talking about NA engines. FWIW, I don't think its possible to create a high pressure zone without experiencing prohibitive cancellation issues from heat. Additionally, the volume of air a vehicle will ingest at its peak power producing RPM won't create a need for a low pressure zone; the air flowing in won't have a much different density than the air moving through the intake due to engine demand.
Alpine White with Taupe Leather 135i, Sports Package, Heated Seats, Comfort Access, iPod Adapter


Last edited by Citizen Z; 03-08-2009 at 11:05 PM.