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Oil Catch can question...

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Old Apr 22, 2008 | 10:05 AM
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Default Oil Catch can question...
Is the PCV valve still needed if you have the catch installed?

If so, why?

Also, on the LS1, is the thick cable thats attached from the PCV valve to the block needed?

Thanks,
al
Last edited by ALVETTE00; Apr 22, 2008 at 10:29 AM.
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Old Apr 22, 2008 | 10:26 AM
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Old Apr 22, 2008 | 10:57 AM
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Originally Posted by GRUNIE
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Old Apr 22, 2008 | 11:46 AM
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Might as well!
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Old Apr 22, 2008 | 01:33 PM
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Originally Posted by ALVETTE00
Might as well!
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Old Apr 22, 2008 | 01:44 PM
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yes it should be... Every thing I read about it said but it in.. I just had mine installed yesterday...
By the way what does mean?????
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Old Apr 22, 2008 | 01:55 PM
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Originally Posted by jmc12
yes it should be... Every thing I read about it said but it in.. I just had mine installed yesterday...
By the way what does mean?????
...pass your mouse cursor over any icon and it'll tell you the meaning...
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Old Apr 22, 2008 | 02:22 PM
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Yeah I have the same question?

Originally Posted by ALVETTE00
Also, on the LS1, is the thick cable thats attached from the PCV valve to the block needed?
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Old Apr 22, 2008 | 02:55 PM
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I have faith someone will have the answer. We've got enough popcorn here to watch Titanic 10x back-to-back
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Old Apr 22, 2008 | 03:51 PM
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This article explains why we need a PCV valve. Hint: the PCV and a catch can have different functions.
http://www.conceptualpolymer.com/PCV...oval%20101.pdf
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Old Apr 22, 2008 | 04:31 PM
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^ thats an intersting article BUT I still think that not putting the pcv valve on after installing a catch can is not going to make a significant change.

J
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Old Apr 22, 2008 | 05:04 PM
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I say keep the valve as it controls the flow and crank case pressure.The catch can only helps condense some of the oil vapors and keep it from gumming up the intake tract. Unrestricted flow would probably overwhelm the small volume of the can.
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Old Apr 22, 2008 | 05:26 PM
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...because air needs to flow out, not in...

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Old Apr 22, 2008 | 06:18 PM
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OK..... still what about the cable attached to the PCV, does it stay attached or can it be removed?
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Old Apr 22, 2008 | 06:21 PM
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Originally Posted by nextime
OK..... still what about the cable attached to the PCV, does it stay attached or can it be removed?
Correct me if I'm wrong everyone, but it is just there to hold the unit in place... so it can come out if you don't like it...

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Old Apr 23, 2008 | 09:47 AM
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As for the cable, I thought it was a ground of some sort.

Seems odd to me that GM would use such heavy gauge cable to secure a PCV valve!

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Old Apr 23, 2008 | 09:48 AM
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Thanks for the info Chip.
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