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Technical Saginaw 4 speed lube

Discussion in 'The Hokey Ass Message Board' started by Scott, Jan 11, 2015.

  1. Scott
    Joined: Dec 23, 2004
    Posts: 2,698

    Scott
    Member

    I'm dropping a used saginaw4 speed into my 63 C10. What is the proper/best gear lube.
    I've read the gl5 may be harmful to the brass parts.
    Thank you as always
     
  2. B.A.KING
    Joined: Apr 6, 2005
    Posts: 3,544

    B.A.KING
    Member

    90 weight gear lube. as far as brand name, go to oriely's ask which one they sell the most of.
    been looking for a Saginaw for 6 months..lucky rascal......
     
  3. I'd stay away from the GL5 and synthetic gear lubes in an older model transmission. They're formulated for newer trans that use composite faced blocker rings and they work well for that purpose. But in many cases they provide so much more lubrication that the older style brass blocker rings can have a problem getting a grip on the synchronizer hubs. The stuff can just be too slippery. The result can be a balky shifter and a trans that feel like it needs new synchos.

    90W gear lube should work fine, and some older specs called for 30W motor oil for easier cold weather shifting.
     
  4. NINE INCH
    Joined: Dec 26, 2005
    Posts: 1,020

    NINE INCH
    Member

     
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  5. NINE INCH
    Joined: Dec 26, 2005
    Posts: 1,020

    NINE INCH
    Member

    Syncromesh for 4 speeds. By Royal Purple.
     
  6. squirrel
    Joined: Sep 23, 2004
    Posts: 44,070

    squirrel
    Member

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