Buick engine ID

Discussion in 'Street/strip 400/430/455' started by Figmo, Oct 9, 2021.

  1. Figmo

    Figmo New Member

    2 engines trying to id # cast on back of block B1364705 and 11782061 or its 11762061
     
    Figmo, Oct 9, 2021
    #1
  2. john.schaefer77

    john.schaefer77 Well-Known Member

    john.schaefer77, Oct 9, 2021
    #2
  3. 1969RIVI

    1969RIVI Well-Known Member

    Post pics of the engines. Maybe those are Nailhead casting numbers?

    EDIT: 1364705 is a 64-65 401/425 nailhead

    Here's some casting number charts to help with your decoding.
     

    Attached Files:

    Last edited: Oct 9, 2021
    1969RIVI, Oct 9, 2021
    #3
  4. Stevem

    Stevem Well-Known Member

    That first number appears to be a 401 nail head.
     
    Stevem, Oct 12, 2021
    #4

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