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engine identification, need help with a few things

Discussion in 'The Garage' started by milspecjimmy, Feb 24, 2003.

  1. milspecjimmy

    milspecjimmy 1/2 ton status

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    Location:
    raymond, maine
    how do i tell by marks on the block what year it is? i bought a motor from a salvage yard from an 87 van. the motor had been rebuilt or replaced at some point. and it has no hole cast in it for a mechanicle fuel pump, like my 89 does. it also takes an o ring style thermostat gasket(1994 style), instead of a paper type(1989 style). the other question is, do i need a different goose neck? because the intake manifolr is machined out different to accept this later style t stat gasket, but my goose neck isnt.
     
  2. blueturd

    blueturd Registered Member

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    Location:
    Arvada, CO
    check the casting number on the back of the block ex 397001.
    Some one posted a reference to find out what this numbers will tell you about a month and a half ago...
     
  3. 82GMCP/U

    82GMCP/U Registered Member

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    Location:
    Lake George, NY
    Check here
    http://www.mortec.com/
    It should tell ya what you wanna know /forums/images/graemlins/thumb.gif
     

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