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Heater core

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  • Heater core

    Since the dash is out of my lark, i figured its time to replace the squreeeeaaachllllllyyy blower motor and i took the core out of the housing as well to clean the debris off and flush it out. now the question, What kind of material should be used to seal the core back in the housing. it looks like it could have been wax....or some type of strip type caulk.

  • #2
    If you go to the parts store and ask for Dumm-dumm, you're not talking about the proprietor, your talking about 3M ribbon caulk. The Studebaker shop manual calls it Dumm-dumm but only mechanics with twill bibs know it by that name.

    Brad Johnson
    Pine Grove Mills, Pa.
    33 Rockne 10
    51 Commander Starlight
    53 Commander Starlight

    previously: 63 Cruiser, 62 Regal VI, 60 VI convertible, 50 LandCruiser
    "All attempts to 'rise above the issue' are simply an excuse to avoid it profitably." --Dick Gregory

    Brad Johnson, SDC since 1975, ASC since 1990
    Pine Grove Mills, Pa.
    '33 Rockne 10,
    '51 Commander Starlight,
    '53 Commander Starlight "Désirée",
    '56 Sky Hawk


    • #3
      I have a 20 pound block of the real Studebaker stuff from SASCO. It's a tad hard after 50 years though.

      Studebaker On The Net
      Studebaker News Group
      Arnold Md.
      64 Daytona HT
      63 R2 4 speed GT Hawk
      63 GT Hawk
      63 Avanti R1/AC
      63 Avanti R2/4 speed
      62 Lark 2 door
      62 GT(parts car)
      60 Lark convert
      60 Hawk
      56 Power Hawk/4 speed/289
      52 Starliner
      51 Commander
      JDP Maryland


      • #4
        quote:Originally posted by JDP

        It's a tad hard after 50 years though.
        Stop bragging John <G,G>!
        Seriously, will the stuff soften up with some heat or the application of a little solvent?

        Gary L.
        Wappinger, NY
        1954 Commander Starliner (restomod)
        1959 DeLuxe pickup (restomod)
        Gary L.
        Wappinger, NY

        SDC member since 1968
        Studebaker enthusiast much longer


        • #5
          Thanks thats what I first thought to use (dumm-dumm) i was hesitant to call it that because i thought that was a local term, guess not? Also I wasnt sure if it would take the heat? I'll give it a try its not that hard to get back out should there be a problem


          • #6
            We call it dum-dum way up here in the Great White North too, eh?


            63 Lark 2dr Sedan