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Thread: 70 455 head casting number

  1. 07-08-2003, 07:42 PM #1
    ted buerk Guest

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    just pulled my valve covers and the casting numbers on my 70 455 heads are 1231786 which is correct but the other head is 1237661. Is it a 70 head? Thanks, Ted
  2. 07-08-2003, 08:15 PM #2
    Dr. Frankenbuick's Avatar
    Dr. Frankenbuick
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    71 according to this: http://www.buicks.net/shop/reference...g_numbers.html .
    Steve B.



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