identifycation numbers

Discussion in '1960-1966' started by mikef, Feb 3, 2001.

  1. mikef

    mikef Member

    Joined:
    Jan 1, 2000
    Messages:
    15
    Hi,

    do any of you know where I can find the ID numger for 64-66,
    chevy engines so I can know the size of my engine is in my 1965, c-20.

    Thank you all for your help.

    mike,
     
  2. Rick

    Rick Member

    Joined:
    Jan 1, 2000
    Messages:
    75
    Let me know what the # is on the block and ill decode it for you
    it's on the front right(pass)of the block
    next to the water pump
    Rick
    tech2@chevyduty.com
     
  3. mikef

    mikef Member

    Joined:
    Jan 1, 2000
    Messages:
    15
    I found a number on the block which was one the rear of the block kind of by the starter the number was 399425T
    GM
    68
    It might have been 66


    Can you tell me what engine it is. I dont think it is the orginal. The 3 in the number 399425T looked like a 3 but could have been an 8.

    Thanks

    Mikef
     

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