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2G BOV "situation"

Posted by KoalaFD, Aug 12, 2018 at 5:03 PM

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  1. KoalaFD

    KoalaFD Probationary Member

    4
    0
    Joined Sunday
    Long Beach, California
    So... I'm new, hello.
    We got a '96 Mitsubishi Eclipse GSX a couple of days ago as a trade for some work done. It was previously neglected and wasn't started for about 10 years. But it started up pretty good after the fuel pump was changed. We're gonna hopefully restore it back to some semblence of glory.

    Anyways, just wanted to post this picture. Not really looking for solutions (I think I know what to do) and not claiming to be an expert on DSMs but I think something(s) is/are not right here... If this is an established and proper way to do things, though, please let me know.

    GSX BOV situation.jpg
     

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  2. 2gmitsueclipse

    2gmitsueclipse DSM Wiseman

    2,019
    576
    Joined Jul 13, 2005
    Auburn Hills, Michigan
    The BOV should not be mount VTA (vent to atmosphere) without some method of tuning. In stock form, the ECU factors in the air that is released back into the intake when the BOV opens. Pictured below is the correct routing of the 2g BOV. I may suggest, if you are looking for an upgrade, go with the metal Evo BOV as it would be a direct replacement for your current setup. You are currently missing a hose that connects the black plastic BOV to the inlet pipe for the turbo. The silver HKS item is not needed.

    20180812_180904.jpg
     
    My DSM:
    1998 Mitsubishi Eclipse GSX

    Autocross Build

    T25   manual
    1999 Mitsubishi Eclipse GST

    Street Build

    16g   manual
    1990 Plymouth Laser RS Turbo

    Autocross Build

    14b   manual
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    PlanZero likes this.
  3. m_0ney_pit

    m_0ney_pit Supporting Member

    554
    14
    Joined Jan 12, 2007
    Reading, Pennsylvania
    Lol is that a wastegate in the intake recirc hole?
     
    My DSM:
    1998 Eagle Talon TSi AWD

    Street Build

    20g   automatic
    1999

    Street Build

    16g   manual
    1999 Mitsubishi Eclipse GST

    Street Build

    14b   manual
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  4. KoalaFD

    KoalaFD Probationary Member

    4
    0
    Joined Sunday
    Long Beach, California
    Heheh, great, thank you. That's pretty much what I was planning to do - get it back to recirculate. Also, I'm pretty sure the stock 2g BOV is mounted backwards - like the BOV outlet is plugged in.

    The picture was mostly for chuckles. Because I chuckled and shook my head a little bit when I saw the real life situation.
     
  5. KoalaFD

    KoalaFD Probationary Member

    4
    0
    Joined Sunday
    Long Beach, California
    No... it's an HKS BOV. That's venting the... intake... pre-turbo side to atmosphere.
     
  6. PlanZero

    PlanZero Proven Member

    1,335
    244
    Joined Aug 13, 2013
    Easton, Pennsylvania
    HKS my ass LOL. Alibaba.
     
    My DSM:
    1996 Mitsubishi Eclipse Spyder GST (sold)

    Street Build

    T25   automatic
    1996 Eagle Talon TSi

    Street Build

    16g   automatic
    1997 Eagle Talon TSi AWD

    Street Build

    T25   automatic
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  7. KoalaFD

    KoalaFD Probationary Member

    4
    0
    Joined Sunday
    Long Beach, California
    A good point. Now that you mention it, it’s very “plasticky” for an true HKS product. As in, it’s mostly made of plastic.
     
  8. pauleyman

    pauleyman DSM Wiseman

    4,682
    790
    Joined Nov 19, 2011
    oklahoma city, Oklahoma
    That now tops my list as the dumbest thing I've ever seen. Previously the dumbest was a "boost source" tapped into the intake pipe pre turbo by cutting a slit and sticking a vac hose in it. Owner wondered why his boost controller didn't work.
     
    My DSM:
    1997 Eagle Talon TSi AWD

    Street Build

    T25   manual
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