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Thread: 1GGTE cam cover breathers

  1. #1
    Junior Member Domestic Engineer Pube's Avatar
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    Default 1GGTE cam cover breathers

    On 1GGTE inlet cam cover there are 2 breather outlets. One is the main breather that is plumbed back into the intake 'T' junction before the turbos. The other is plumbed to a barb under the throttle body. What is this for? Can I do away with this and plug up the barb on the throttle body?
    SOLD : 1GGTE Rt142 Corona - Twin TD04-9b turbos - 180rwkw = 13.1 @105mph

  2. #2
    Forum Sponsor Conversion King
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    Default Re: 1GGTE cam cover breathers

    can do away with it, its just a breather that evacuates pressure out of the engine and as a side effect sucks in oil mist into the inlet manifold which them cause detonation.
    they are on the engine only for emissions purposes the same as charcoal cannisters.
    cheers
    linden

  3. #3
    ---------HO00NS---------- Chief Engine Builder IN 05 NT's Avatar
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    Default Re: 1GGTE cam cover breathers

    yeah you can do away with the smaller one,

    the other one i have a filter on it,

  4. #4
    Roadhouse Automotive Encyclopaedia emp?'s Avatar
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    Default Re: 1GGTE cam cover breathers

    i have always had the smaller hole blocked on mine, the big one runs to my catch can
    which like you I have had trouble with, i learned early on you can run them on the wrong sides
    KE38 - 2TG
    MS65 - 1UZ

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