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14SF Possi Gear oil additive ?

Discussion in 'The Garage' started by kennyw, Sep 18, 2003.

  1. kennyw

    kennyw N9PHW Premium Member

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    Stevens Pass Highway, WA
    I have a 14SF with a Possi. I would guess it is a Gov Loc but not really sure what came in these from the factory. I was wondering if I need the GM Possi gear oil additive with this axle?
     
  2. kennyw

    kennyw N9PHW Premium Member

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    [​IMG]
    [​IMG]

    Couple pics I took of the possi and what appears to be old damage from the possi blowing up in the past /forums/images/graemlins/eek.gif
     
  3. slider

    slider 1/2 ton status

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    every GM posi needs the additive, unless you use GL6 fluid, some of these fluids have the additive already in them. One word of caution only add the correct ammount of the additive, too much and bye bye clutches, glove locks suck sorry to see yours blew up
     
  4. kennyw

    kennyw N9PHW Premium Member

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    Mine didnt blow up on me... Just see signs that it blew up on a former owner. I also noticed the axle has newer seals, so good chance it got a full rebuild not too long ago.

    Thanks for the info /forums/images/graemlins/thumb.gif
     

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