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Hot Rods Fluid Coupling Hydramatic sealant

Discussion in 'The Hokey Ass Message Board' started by KCTA Chris, Nov 8, 2019.

  1. KCTA Chris
    Joined: Jan 16, 2002
    Posts: 408

    KCTA Chris
    Member

    Any recommendation for the special goo to seal up my torus coupling around the crankshaft?

    I've heard everything from rubber cement to Gasgacinch to a guy who will sell me his magic bottle and bolts (I dont need) for an amazingly high price. I'd like to only do this job once.

    Thanks!
     
  2. raven
    Joined: Aug 19, 2002
    Posts: 4,619

    raven
    Member

    Are you making progress on your coupe?
    r


    Sent from my iPhone using H.A.M.B.
     
  3. Did you open the torus and change the O rings? That is a cheap and important repair for an old slant pan.
     
  4. 56sedandelivery
    Joined: Nov 21, 2006
    Posts: 6,182

    56sedandelivery
    ALLIANCE MEMBER

    There used to be a "special" sealant that was used with the old cast iron, single/dual range, single coupling, Hydra-Matics; and it's no longer available, anywhere. I think as long as whatever you use, does't harden completely, you should be fine. Use it on the crankshaft surfaces, and on the bolt threads; just don't go overboard, and clean off any excess. And, I'm sure you already know, these transmissions used a pilot bushing, similar to manual transmissions used.
    I am Butch/56sedandelivery.
     
    warbird1 and KCTA Chris like this.
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  5. Doublepumper
    Joined: Jun 26, 2016
    Posts: 593

    Doublepumper
    Member

    I have Pliobond 30 in my notes that states it is a good sealant for this. I haven't used it, so can't confirm it's the best to use.
     
  6. KCTA Chris
    Joined: Jan 16, 2002
    Posts: 408

    KCTA Chris
    Member

    Slow Progress... slow.
     
  7. KCTA Chris
    Joined: Jan 16, 2002
    Posts: 408

    KCTA Chris
    Member

    Just got it back from the "expert" should be ready to bolt up!
     
  8. KCTA Chris
    Joined: Jan 16, 2002
    Posts: 408

    KCTA Chris
    Member

    Pliobond! I believe I heard of that before. that sounds like It should work.
     
  9. raven
    Joined: Aug 19, 2002
    Posts: 4,619

    raven
    Member

    Hey I might be in need of the ‘expert’ soon...
    r


    Sent from my iPhone using H.A.M.B.
     
  10. Yes Pliobond 30 is the stuff; don't know if it's still available. I used Aviation Permatex on the last two Hydro's I rebuilt.
     
  11. I have both Pliobond & Gasket Eliminator send me a PM
    Thanks, Dave
     
  12. ^^^^^ I see Pliobond is still available to purchase. But which one of their cements is best?
     
  13. KCTA Chris
    Joined: Jan 16, 2002
    Posts: 408

    KCTA Chris
    Member

    Pliobond 30. fired up and not a drop spilled.
    Now I'm using that goo for all kinds of things.
     
    warbird1 likes this.
  14. Doublepumper
    Joined: Jun 26, 2016
    Posts: 593

    Doublepumper
    Member

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