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PVC

Old Sep 28, 2008 | 08:19 PM
  #1  
Wishmaster's87IROC's Avatar
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From: Winston salem, NC
Car: 1987 1SICIROC.....1999 TransAm
Engine: 385 HSR.....LS1
Transmission: 700R4 with Midwest 3400 2.4str...M6
Axle/Gears: SLP Zexel Posi unit 3.42's...3.73's
PVC

does it matter which hole in the rocker cover the PVC valve goes in? baffled or no baffle? I want to put my filtered breather in the baffled hole.

DO we really need to have a PVC system hooked up to the motor? what happend if I remove the PVC and just plug the hole in the plenum?
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Old Sep 28, 2008 | 08:23 PM
  #2  
Apeiron's Avatar
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From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
Re: PVC

The PCV valve goes in a baffled hole to keep it from ingesting oil.

You don't need a PCV system, but you really want one.
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Old Sep 28, 2008 | 08:47 PM
  #3  
Wishmaster's87IROC's Avatar
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Joined: Feb 2000
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From: Winston salem, NC
Car: 1987 1SICIROC.....1999 TransAm
Engine: 385 HSR.....LS1
Transmission: 700R4 with Midwest 3400 2.4str...M6
Axle/Gears: SLP Zexel Posi unit 3.42's...3.73's
Re: PVC

ok so what will happen if I plug the hole under the plenum and just put a cap over the hole in the rocker cover?
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Old Sep 28, 2008 | 08:58 PM
  #4  
Timothayyy's Avatar
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Posts: 990
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From: Virginia
Car: 1992 Firebird
Engine: 350TBI
Transmission: 700r4
Axle/Gears: Ford 9in 4.10
Re: PVC

I asked like the same thing.
https://www.thirdgen.org/forums/tech...ml#post3902113

Should answer your question.
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Old Sep 28, 2008 | 09:02 PM
  #5  
Apeiron's Avatar
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Joined: Jan 2000
Posts: 20,981
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From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
Re: PVC

You'll vent vapours out the breather, and you'll have increased oil contamination.
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Old Sep 29, 2008 | 07:57 PM
  #6  
Supervisor42's Avatar
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From: Arab, Alabama
Car: 1988 Trans Am GTA
Engine: 350 4BBL
Transmission: 700R4
Axle/Gears: 3.27
Re: PVC

Why not just swap the valve covers from one side to the other?
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