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  •  » inlet manifold gaskets

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    8/19/2014 3:00 PM  #1

    GT350
    FYI Addict

    Offline

    From: scotland u.k
    Registered: 4/01/2013
    Posts: 277

    inlet manifold gaskets

    i just fitted intake manifold gaskets on a 289 with edelbrock heads/intake whilst torquing down the intake the rear intake cork seal slipped out slightly but still tight under intake can i remove intake and reuse the intake gaskets engine not been run yet or do i need new gaskets?

     

    8/19/2014 3:30 PM  #2

    Michael H.
    I FYI 24-7

    Offline

    From: Laurel, MS
    Registered: 4/01/2013
    Posts: 869

    Re: inlet manifold gaskets

    I think technically once they've been compressed they're not supposed to be any good anymore, but once I ran into the situation you're in and re-used a set.  I just put a thin smear of RTV silicone around the water passages and everything sealed fine... maybe I got lucky or maybe it's ok... I'm really not sure.

    On a side note, that problem is exactly why many people use a thick bead RTV silicone on the front and back instead of using the cork pieces.  I finally switched to that method and have had good luck...no more squished out cork pieces

    Last edited by Michael H. (8/19/2014 3:31 PM)

     

    8/19/2014 4:36 PM  #3

    MS
    Forum Originator

    Offline

    From: Canyon Lake, Texas
    Registered: 1/24/2013
    Posts: 11,746

    Re: inlet manifold gaskets

    RTV for end seals is the only way to go.  Read this article from my web page.

    http://www.mustangsteve.com/intake.html

    You can reuse the gaskets between the heads and intake.  Just clean them up and install a paper thin layer of RTV on them.  I prefer to use contact cement between the heads and gaskets so they cannot slip.  The RTV lets the intake slide into place and then cures to form a perfect gasket.  For the end seals, the bead will squish out some.  Resist the urge to wipe it off.  When it dries really firm you can trim it off with a sharp single edged razor blade to make a clean line.

    ALWAYS throw those cork seals in the trash!!!

    Money you enjoy wasting is NOT wasted money... unless your wife finds out.
     

     

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