C3 LS5 Still Smoking - NCRS Discussion Boards

C3 LS5 Still Smoking

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  • Dale P.
    Expired
    • September 30, 1995
    • 248

    C3 LS5 Still Smoking

    This has been an on-going problem for over 1 year. Have followed everybody's advice, here are the facts:

    1. Only smokes when engine temp is above 180 and car is at idle
    2. When intake is removed, can see clearly oil vapor tracks into #6 and #8

    I am assuming at this point, it is a geometry issue. Where can I find the angle on the intake that mates to the head and how can I find what the angle should be from the top of the block to the face of the head. In other words, I want to check to make sure those two angles are the same. I can measure them, I just don't know what they are supposed to be.

    I have used Felpro gaskets twice, is there another recommendation?

    Your help is greatly appreciated.
  • Clem Z.
    Expired
    • January 1, 2006
    • 9427

    #2
    Re: C3 LS5 Still Smoking

    get stock GM style intake gaskets the fel pro are too hard. the GM ones seal to the surfaces

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