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Slip-fit Headers

This is a discussion on Slip-fit Headers within the External Engine forums, part of the LSx Technical Help Section category; I was wondering what methods some of you used to seal slip fit headers. Is there a special gasket? I ...

  1. #1
    Member JacobLS1's Avatar
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    Slip-fit Headers

    I was wondering what methods some of you used to seal slip fit headers. Is there a special gasket? I just figured, RTV(or similar) and slip the Y-Pipe on. I couldn't have more exhaust leaks from these.

  2. #2
    Senior Member INMY01TA's Avatar
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    Maybe you're not slipping them on all the way?

  3. #3
    ʢ ൧ ൨ ൩ ൪ ൫ ൬ ൭ ൮Ր Ց Ւ Փ Smittro's Avatar
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    I've seen many here use double gaskets to seal headers to the heads and exhaust band clamps @ the fittings.

    RTV or any silicone based sealant will just burn up..

    Keep in mind headers get red hot on a regular basis..

  4. #4
    Moderator Firebirdjones's Avatar
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    The slip fit on the collectors I just use a band clamp to help seal the joint while at the same time, not smashing the pipe.

    On slip fit header tubes I use nothing, just slide them together and go.

  5. #5
    Member Blue28's Avatar
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    Just have a ball flange kit installed/welded on each collector/Y-pipe.

  6. #6
    Member TA98's Avatar
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    Get the wide easy seal clamps NAPA sells. And tighten them till you cant anymore.

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