Forced Induction Superchargers | Turbochargers | Intercoolers

Catch Can setup

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Old 03-29-2010, 02:44 PM
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Default Catch Can setup

I took the pcv system off a long time ago and just put a breather where the cap goes. After the turbo I started getting a lot of oil residue on my hood and coil packs so I put a catch can system on it. Now the catch can seems like it fills with oil after just a couple of hours of beating on the car and makes a pretty good mess under the head light. What do I need do I need to change? Location of the can? I copied a friends setup he has on his n/a 408 apparently it doesn't work the same with boost.



On most of the diagrams I have looked at people are using vacuum points from the intake and the inlet of the turbo. They are pulling a vacuum on the crank case where mine is just venting to atmosphere. Do the vacuum style catch cans fill up with oil quickly?

Last edited by Sluggish; 03-29-2010 at 02:50 PM.
Old 03-29-2010, 04:46 PM
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I don't know if this will haelp or not. https://ls1tech.com/forums/forced-in...rs-inside.html

This is how I have my catch can, I get very little oil in my can.
Old 03-29-2010, 06:36 PM
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So I'm guessing the valley cover doesn't work as well as the valve covers? What would cause it to fill with oil so quickly?
Old 03-29-2010, 07:54 PM
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Vent each valve cover to the can with a breather.
Old 03-29-2010, 08:24 PM
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Originally Posted by Nasty N8
Vent each valve cover to the can with a breather.
What he said ^^^

I don't have a ls6 vally cover or I would have vented that too. The 2 hose barbs in my home made can is for both rocker covers.




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