head gasket

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  • manuel325i
    Member
    • Jun 2004
    • 80

    #1

    head gasket

    Just curious as to how much boost a stock head gasket on an s52 motor can handle? I am about to purchase a stage 1 supercharger and only plan on running like 8lbs of boost. Nothing crazy. It's only a weekend car. I just don't want to go through the hastle of replacing the head gasket. Thanks in advance.
  • blueapplesoda
    E30 Mastermind
    • Dec 2005
    • 1904

    #2
    You'll be fine, just get arp (or arp2000) head studs and you are golden. Preventing blown hg's on m/s5x type motors is all about preventing cylinder head lift with copper, MLS, or even stock.

    All-Red/MHW style Professional Tinted Tail lights
    PnP EMS, fuel injectors, wideband o2 systems

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    • SwiftE30
      E30 Modder
      • Jun 2010
      • 998

      #3
      if you have the motor pulled and you are going to be replacing the studs, would it be beneficial to go with an MLS because you're already there or just stay stock?
      1989 E30 Zinnoberrot Vert 325i OBD1 S52 turbo;IP

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      • JTapper
        E30 Modder
        • Sep 2009
        • 847

        #4
        Cometic MLS and ARP studs.

        If you're going FI that is the best way to keep things together aside from o-ringing the head.
        sigpic
        Turbo Cabrio project: http://eurowerks.org/showthread.php?t=19677

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        • Adrian_Visser
          R3VLimited
          • Jun 2006
          • 2823

          #5
          Originally posted by JTapper
          Cometic MLS and ARP studs.

          If you're going FI that is the best way to keep things together aside from o-ringing the head.
          Do most guys O-ring the head or the block? I thought it was usually the block that got it.

          '89 Alpine S52 with goodies

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          • Lee Harvey
            Member
            • Oct 2010
            • 93

            #6
            Originally posted by Adrian_Visser
            Do most guys O-ring the head or the block? I thought it was usually the block that got it.
            Traditionally the block I'm told, within the tuner circle the head seems to be more common... I think the head o-ringing started with cast block/al heads and their different expansion rates etc. My head is o-ringed, not my block, for this very reasoning.

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            • blueapplesoda
              E30 Mastermind
              • Dec 2005
              • 1904

              #7
              I've done two blocks with no problems so far.

              All-Red/MHW style Professional Tinted Tail lights
              PnP EMS, fuel injectors, wideband o2 systems

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