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

Catch can location question for my 93'

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Old 09-10-2009, 04:20 PM
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Default Catch can location question for my 93'

My PCV valve is on my passenger side head and the line runs to the TB. Do I add it in-line there?

Also on the driver side of the head where I guess 95+ cars have the PCV valve is a hose that hooks back to the manifold, do I put one there also or leave it alone?

I searched this already but everyone seems to be talking about the 95+ manifold where the hose is under the TB which mine doesn't have.

Thanks
Old 09-10-2009, 04:51 PM
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the piece coming off of your passenger side valve cover is not your pcv valve. This is a ccv (crank case vent). Your PCV is located on the drivers side of the intake manifold and then it reconnects to the intake manifold about 1" away.
Old 09-10-2009, 05:02 PM
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Well someone put a PCV valve there because is chillin in my valve cover lol
Old 09-10-2009, 05:05 PM
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well make sure that is what it actually is. Mine had something that look like a pcv on the valve cover but it was just a hollow 90 degree angle. The pcv should be located on the driver side of the intake manifold and then the tube should make a 180 and then connect about an inch away from there
Old 09-10-2009, 05:34 PM
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It is a PCV valve. Just removed it and checked it out. So that should be a 90 degree elbow instead?

And the PCV valve is in the manifold.
Old 09-10-2009, 05:55 PM
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yes it should be a 90 there. All it is is to remove positive crank case pressure, but even once you so that it still isnt a bad idea to do the catch can off of there. A lot of people, including myself, have just capped it off at the TB and put a filter on there for the crank case pressure to vent out on its own.




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