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  1. #1
    Join Date
    Jul 2010
    Location
    Southern California, Nevada, AZ
    Posts
    6

    Default Rear axle #'s ??? What do they mean 8975082

    My 69 GP SJ has these numbers stamped on the rear pumkin cover,
    8058 on a round circle stamped on the right side if the rear pumkin cover on the lower left side.
    Below that are these numbers 8975082.

    Do I have a Posi or Peg Leg. Anyone know the gear ratio ??

    Cowl Read
    ST69 27675
    TR 298 89 B PNT
    24 2J

    I AM FAIRLY SURE IT'S BRUNT ORANGE METALLIC ??

    iNTAKE mANIFOLD #'S ARE 9794284 WHICH I THINK MEANS 428 ENGINE & 4 BBL

    VIN # IS 276579P240752 ???

    ANY HELP WOULD BE GREATLY

    THANKS

    GREG ALLISON
    Last edited by masterwino; December 29th, 2010 at 16:51. Reason: spellling error

  2. #2
    Join Date
    Nov 2008
    Location
    Central New York
    Posts
    121

    Post

    Not sure about numbers stamped on the pumpkin cover, but there should be some cast into the housing. Easy check for posi is get both rear wheels in the air and see if they spin in park, if they go opposite directions its open.
    Steve Naresky

  3. #3

    Default engine change

    Will a 1970ish Pontiac 350 bolt into a 64 Grand Prix 4speed. What needs to be done? Thank you.

  4. #4
    Join Date
    Nov 2008
    Location
    Central New York
    Posts
    121

    Post

    Anything is possible, for sure a motor mount change would be required. Running the original 4 speed?
    Steve Naresky

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