67 427 block, freeze plugs, I.D.? - NCRS Discussion Boards

67 427 block, freeze plugs, I.D.?

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  • William B.
    Very Frequent User
    • April 30, 1975
    • 939

    67 427 block, freeze plugs, I.D.?

    I have a 67 400hp, which I believe was never apart, just noticed it has freeze plugs installed , with a "doorman" id on them, I thought the plugs from gm did not have any lettering on them?
    Any comments?
  • Joe L.
    Beyond Control Poster
    • February 1, 1988
    • 43193

    #2
    Re: 67 427 block, freeze plugs, I.D.?

    Originally posted by William Bryan (291)
    I have a 67 400hp, which I believe was never apart, just noticed it has freeze plugs installed , with a "doorman" id on them, I thought the plugs from gm did not have any lettering on them?
    Any comments?
    William------

    Well, the engine might not have been apart before but whether or not it has, the freeze plus have been replaced. Dorman is an aftermarket brand. I highly doubt these would ever have been used in PRODUCTION or, even, sold in GM SERVICE.
    In Appreciation of John Hinckley

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