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Old 06-01-2008, 12:21 AM   #924 (permalink)
gamiller
Emission Test Flunkee
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Re: Project: Mavro Gato - 99 Turbo'd 3L

Lotsa good pics there, thanks! You've got very clean routing!

Looks to me like you've got the vacuum booster, the PCV valve, and the valve cover breather all going to the catch can, which in turn is routed to the intake just ahead of the turbo. I hope that works for you, but recall that air flows into the valve cover but out of the PCV valve. What happens when both are connected to the catch can? I don't think it's a major issue, but here's an expert opinion:

Quote:
Originally Posted by Saikou Michi
Q:Why not join the breather and the PCV line into 1 can?

A: The simplest way to explain it is this... The PCV system works in ONE direction. Under vacuum the flow comes from the valve cover through the PCV valve and into the intake manifold, during this time, the air that is being sucked out is being replaced by the air coming in through the breather hose. Air comes in, and air goes out through the PCV line. When 2 lines go into 1 can, there is NO VACUUM effect possible.
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Last edited by gamiller; 06-01-2008 at 12:42 AM.
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