LT1-LT4 Modifications 1993-97 Gen II Small Block V8

What did you do to stop oil in your Intake Manifold

Old 05-08-2008, 01:27 PM
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Default What did you do to stop oil in your Intake Manifold

So it seems that all the oil I have been finding in my intake manifold is coming from my PCV Valve System that runs from under the TB to the drivers side PCV Check Valve.

I have oil all over in my IM which I just cleaned out last night.... now I want to stop this problem because the white cloud when I hit the gas is getting embarrassing.

What does everyone here suggest? How did you do it? I was going to just try a new PCV Valve but other then that did anyone else have any ways to prevent this?
Old 05-08-2008, 02:04 PM
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This is happening to me also. The odd thing is my pcv valve on my passenger side valve cover actually isn't a pcv valve. It's just a plastic elbow. Is this suposed to be on here or did someone switch it before I got the car?
Old 05-08-2008, 02:36 PM
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Originally Posted by Slowmaro95Z28
This is happening to me also. The odd thing is my pcv valve on my passenger side valve cover actually isn't a pcv valve. It's just a plastic elbow. Is this suposed to be on here or did someone switch it before I got the car?
mine is the same thing and a Lt1 Camaro I had, had the same elbow. So i think its factory
Old 05-08-2008, 02:39 PM
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Thanks. I wasn't sure.
Old 05-08-2008, 02:48 PM
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Some have ones I think, and some don't, unless it's just my 93 Anyways it's on the drivers side IN the intake.
Old 05-08-2008, 04:14 PM
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Yup already handled that one and the TB showed it was not coming from there its from this PCV line so I def need to know what others did to solve this... I am about to cap it off.
Old 05-08-2008, 08:18 PM
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cap it off and add a breather,

or do a search and you can get a sepertator/breather to put in, and still retain the factory setup.
Old 05-08-2008, 08:25 PM
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cap it off from the TB and run a breather on the pass side valve cover.

then buy a catch can and run that in-line w/ the hose running to the PCV valve on the drive side, you will need more hose to route it to your catch can location and back to the PCV valve fyi

that should help tremendously


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