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DURATEC Performance (2003-2007) The place to chat about any Duratec 23, 23E, and 20 engine performance, tuning and exhaust related upgrades.

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Old 10-15-2011, 10:01 AM   #10
S0C0nFused
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Quote:
Originally Posted by BowerR64 View Post
Now that i think about it, as the air rushes past that vent from the CAI its creating a draw from that vent and that draw has to come from some where so its drawing it right from the bottom. wow
It's called the 'Bernoulli principle' or 'venturi effect'. In our cars PCV system, the intake port is designed thus as air flows both ways (to and from) the intake depending on engine RPM. This 'draw' is not to be confused with engine 'vacuum' in the manifold. But is can be useful in a catch-can setup when you want a small amount of 'draw' from the PCV valve (as an example).

P.S. what paint did you use on the intakes? They look very good!!!
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Steeda SRI w/CAI intake. Trubendz SS 2.5" . FR Susp/Struts. Tune by Tom (FocusPower). Rota Grids. SAP rear spoiler. Custom front air dam, rocker panel bits and Rear valance.
Last of the Hatches #28
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