5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

breather system or pcv with oil seperator

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Old 01-17-2008, 03:12 PM
  #1  
five0fm
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Default breather system or pcv with oil seperator

i have a supercharged 92 and im wondering what you guys think is a better choice for my car. keeping the stock pcv and puttin an oil seperator in or deleting the whole thing and using breathers on both valve covers and where the pcv is in the rear of the intake
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Old 01-17-2008, 04:50 PM
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lxman1
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Default RE: breather system or pcv with oil seperator

I would go with the stock PCV system with separator as well an open breather instead of the factory tube into the TB. This will alow it to vent when under boost and work normally when not under boost. This is assuming that you have a centrifugal type supercharger.
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Old 01-17-2008, 05:53 PM
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only90s
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Default RE: breather system or pcv with oil seperator

ORIGINAL: lxman1

I would go with the stock PCV system with separator as well an open breather instead of the factory tube into the TB. This will alow it to vent when under boost and work normally when not under boost. This is assuming that you have a centrifugal type supercharger.
+1...that is what I run and it works great...I played around with no pcv/breathers only and it was not cutting it...

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Old 01-17-2008, 07:18 PM
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Mustangkiler
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Default RE: breather system or pcv with oil seperator

I got a kb so its a little different with my pcv still being on the vaccuum side, i just kept my stock pcv and eliminated the extra one going from the oil fill cap.
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Old 01-17-2008, 07:20 PM
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five0fm
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Default RE: breather system or pcv with oil seperator

yeah i guess ill try that and see....i just dont want oil in my intake anymore lol..thanks for your input guys
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Old 01-17-2008, 07:31 PM
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silver91gt
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Default RE: breather system or pcv with oil seperator

ya, but having a breather and a pcv just makes a huge air leak, it pulls air in the intake through the breather.,
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