Thermostat housing Bolt Question - 74 BB manual - NCRS Discussion Boards

Thermostat housing Bolt Question - 74 BB manual

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  • Victor S.
    Frequent User
    • August 24, 2017
    • 76

    Thermostat housing Bolt Question - 74 BB manual



    Does anyone know the size/length of these 2 bolts and ifthey included washers?
    Thanks very much!

  • Joe L.
    Beyond Control Poster
    • February 1, 1988
    • 43193

    #2
    Re: Thermostat housing Bolt Question - 74 BB maunal

    Originally posted by Victor Scherer (63906)
    Hi All –
    Lots of bolts around and I’m replacing lots of components onthe car and I’ve misplaced my original bolts for my factory Thermostat housing(#336773) – 74 454 four speed. For this particular factory housing I do knowthat the two bolts were the same size (not the long/short bolts used on other 74housings).
    Does anyone know the size/length of these 2 bolts and ifthey included washers?
    Thanks very much!
    Victor------

    Yes, on the 336773 thermostat housing both bolts to fasten it to the intake manifold are the same length. Offhand, I don't recall just what the length is. However, it's easy to figure it out. Just measure the thickness of the housing+gasket at the bolt hole locations. Add 3/8" to 1/2". That's all there is to it.
    In Appreciation of John Hinckley

    Comment

    • Rick N.
      Very Frequent User
      • August 25, 2017
      • 141

      #3
      Re: Thermostat housing Bolt Question - 74 BB maunal

      Contact Rich Pasqualone.
      He will most likely know what they are and probably have what you need.
      1-610-462-4441

      Comment

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