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HELP! WHAT IS POB #4 56 olds head install

Discussion in 'The Hokey Ass Message Board' started by MR K., Jul 14, 2013.

  1. MR K.
    Joined: Aug 20, 2009
    Posts: 665

    MR K.
    Member

    So I am doing the heads on my 56 olds. The old manual book says to spray pob #4 on the head gasket. What is that. Is there something I can use in place of it.
     
  2. flameboyzero
    Joined: Sep 28, 2008
    Posts: 50

    flameboyzero
    Member

  3. MR K.
    Joined: Aug 20, 2009
    Posts: 665

    MR K.
    Member

    can I use a copper spray instead??
     
  4. gonzo
    Joined: Dec 24, 2003
    Posts: 1,876

    gonzo
    Member

    I dont believe modern head gaskets require any sealant. I did not use any when I assembled the head gaskets on my 56 Olds motor and it was fine.
     

  5. flameboyzero
    Joined: Sep 28, 2008
    Posts: 50

    flameboyzero
    Member

  6. flameboyzero
    Joined: Sep 28, 2008
    Posts: 50

    flameboyzero
    Member


    correct not required on new style gaskets, but can't hurt either
     
  7. Paul
    Joined: Aug 29, 2002
    Posts: 16,389

    Paul
    Editor

    I use copper coat on my early Olds motors, spray and install wet
    was having an occasional blown gasket when installed dry
    haven't had a failed head gasket since
    even with high compression and blown setups
     
  8. MR K.
    Joined: Aug 20, 2009
    Posts: 665

    MR K.
    Member

    Thanks guys!
     
  9. 50 Fastback
    Joined: Jan 25, 2013
    Posts: 270

    50 Fastback
    Member

    I use Edelbrock 9300 Gasgacinch Gasket Sealer on head gasket and intake surfaces.
     

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