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Thread: Engine

  1. #1
    Junior Member JOURNEYMAN
    Join Date
    Apr 2004
    Location
    Byron, Ga
    Posts
    25

    Engine

    I have a 468 motor and last night at the track I noticed a light film of oil on the inside of one of my zoomie hearder. Can someone tell me what this might could be?
    Thanks
    Ray

  2. #2
    Senior Member RACING JUNKIE
    Join Date
    May 2006
    Posts
    2,044
    If you have a header evacuation system it could be sucking oil out of the valve covers especially if you dont have baffles under your breathers.
    >Cp
    ***IN GOD WE TRUST***

  3. #3
    Senior Member RACING JUNKIE
    Join Date
    Sep 2007
    Location
    Belleville, IL
    Posts
    658
    Quote Originally Posted by cepx111
    If you have a header evacuation system it could be sucking oil out of the valve covers especially if you dont have baffles under your breathers.
    >Cp
    Zoomies don't use header evacs!!!

    Might be sucking oil through the guides if you don't run valve seals. Might be sucking oil through the rings if you run low tension rings. Have you done a compression check on that cylinder yet?
    -WJ Birmingham

    OneBadGMC.com

  4. #4
    Senior Member RACING JUNKIE
    Join Date
    May 2006
    Posts
    2,044
    Quote Originally Posted by OneBadGMC
    Quote Originally Posted by cepx111
    If you have a header evacuation system it could be sucking oil out of the valve covers especially if you dont have baffles under your breathers.
    >Cp
    Zoomies don't use header evacs!!!

    Might be sucking oil through the guides if you don't run valve seals. Might be sucking oil through the rings if you run low tension rings. Have you done a compression check on that cylinder yet?
    Opps didnt catch that one, my bad.
    ***IN GOD WE TRUST***

  5. #5
    Senior Member MASTER BUILDER
    Join Date
    Oct 2003
    Posts
    144
    Could be Blow by from a ring not seated.


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