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Catch can installation on ls1

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Old 06-01-2010, 05:38 PM
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Default Catch can installation on ls1

Hello, I want to see if some one can tell me how to properly install a catch can. I had extreme horsepower install a catch can, and it doesn't seem to be catching any oil. One hose is ran to the pcv valve on rear of the driver side head, and the other hose is ran to the front of the intake manifold in the port directly under where the throttle cables are. Is this ran properly??? There are two ports on the passenger head that have been capped off. they are at the bottom of the head next to the intake manifold. One is on the front part of the head and the other is on the back side. Are those supposed to be ran as well? I have a breather cap on the passenger valve cover. What is happening is my car is smoking very badly. I know for a fact it is not the rings, due to the fact it wasn't smoking before I cammed it, and the cylinder walls looked beautiful. I did have ported and polished heads put on, with supposedly brand new valve guides. So I am thinking the 2 ports on the passenger heads may have something to do with it. Does anyone know???
Old 06-01-2010, 08:10 PM
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Read this thread and do a search, this subject has been beat to death.

https://ls1tech.com/forums/generatio...ting-ok-2.html

Edit: Your thread should probably be in the external engine category.
Old 06-01-2010, 08:14 PM
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^nah bro...didn't you know the catch can is inside the #7 cylinder
Old 06-01-2010, 09:13 PM
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Crap I had no idea!!!! How do you drain it?
Old 06-01-2010, 09:25 PM
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gotta pull the heads, unless you have a remote draining system installed.
Old 06-01-2010, 09:30 PM
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No wonder I've been getting fuel in my oil I haven't drained the #7 cylinder since I bought the car!!!
Old 06-01-2010, 09:36 PM
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Buy an LS6 Valley cover and run a hose from the valley cover to the catch can then to a vacuum. I run mine out of the exhaust.

Easiest way ever.
Old 06-01-2010, 10:03 PM
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i routed my catch can into the gulf. i mean **** it, it's not like anybody will notice
Old 06-01-2010, 10:32 PM
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Originally Posted by brian_rs/ss
i routed my catch can into the gulf. i mean **** it, it's not like anybody will notice
Oh you dick.....If I was fishing there I would so kick you in the nutz!

Screw the other reasons....if only I was fishing
Old 06-01-2010, 10:34 PM
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Originally Posted by StreetSilverado
Oh you dick.....If I was fishing there I would so kick you in the nutz!

Screw the other reasons....if only I was fishing
lolz i can walk out my back door onto my dock and go fishing.
Old 06-01-2010, 10:37 PM
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Originally Posted by brian_rs/ss
lolz i can walk out my back door onto my dock and go fishing.


I'm just too stingy to pay $30 for a fishing license



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