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How much oil in a catch can is too much ?

Discussion in 'VZ Holden Commodore (2004 - 2006)' started by Benboy, Jun 12, 2019.

  1. Benboy

    Benboy Well-Known Member

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    Howdy all, recently watched a video on You Tube by Mufudzi Gambiza in regard to a catch can he installed on his VE V6. After 2 weeks he emptoied the can and it had about 250 - 300 ml of oil in it. That seems an awful lot to me. Over a month that might equate to say 1 litre or 6 months 6 litres. That's really excessive. Is it possible that there may be a high proportion of moisture/water in the can that might account for the overall quantity. I have tried to find a way of contacting Mufudzi Gambiza but no luck.
    Any thoughts please.
     
  2. immortality

    immortality Home of the smoky breakfast Bacon! Staff Member

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    That does sound like a lot. I only get oil in mine (L67) but it's not uncommon to see video's on youtube where there is also moisture in there, maybe it's got something to do with the environment and temps? But just think, without the catch can all that crap would be going back into the intake and contaminating the intake/combustion chamber etc. Maybe that youtube user has a issue with his PCV system.
     
  3. Fu Manchu

    Fu Manchu Well-Known Member

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    I like that dude’s videos.
     
  4. 1985VK

    1985VK Active Member

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    It is hard to tell, but at around 12 min mark the hoses look like they are collapsing under vacuum.

    Make sure the hoses used are fit for purpose.
     
  5. Benboy

    Benboy Well-Known Member

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    Yes I tend to agree. When they were being installed I wondered if hew was using fuel house or something else. As it was (appeared) to be new hose I am a bit surprised that the engine vacuum should cause the hoses to 'collapse'. Who knows, a good point to keep in mind if/when changing vacuum/purge lines.
     

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