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  • JohnG
    John
    • Jul 28 2003
    • 2341
    #1

    Expansion tank differences

    My '58 came with an aluminum expansion tank that eventually
    leaked and was repaired. When I got it repaired the shop mentioned that welding/soldering aluminum was not easy. A year later,
    it leaks a little again, along one of the top seams.

    I acquired another tank to serve as a backup as this seems (based on comments in this Web site) to be a never ending problem. Today
    I cleaned up the tank to take it and have it tested. This one
    is made out of brass.

    So the question is: is either material a better choice to possibly hold up? Is one a later attempt by Ford to provide a lasting
    tank?

    I know there are repro tanks on the market (which also leak in some cases). Does anyone know what material they are made out of?

    Finally, if we can put a man on the Moon, why can't we have a tank that holds up to 15 psi???

    thanks!

    John '58 Hardtop
    1958 Hardtop
    #8452 TBird Registry
    http://tbird.info/registry/DataSheet...r~equals~8452)

    photo: http://www.squarebirds.org/users/joh...d_June2009.jpg
    history:
    http://www.squarebirds.org/users/johng/OCC.htm
    Tags: None
    • tarps3
      Super-Experienced
      • Jul 21 2003
      • 837
      #2
      RE: Expansion tank differences

      oh, the saga of expansion tanks....

      I bought 2 original tanks after my first one started leaking and all of them developed a leak within a few months of being installed. Tried to get them all rebuilt and re-soldered and none of them held up at all.

      So, I bit the bullet and bought a new repro tank. It lasted about 3 months before it too started to leak.
      It was replaced by the parts supplier and now this one seems to be holding up (it's been about 6 months now). Knock on wood..

      My '64 Galaxie had a 390 it and also an expansion tank. It was the ribbed variety and seemed to be sturdier - didn't leak.

      all of 'em were brass.

      Casey
      60 hardtop
      Casey

        Comment

        • tmjsong1aolcom
          Experienced
          • Mar 31 2004
          • 329
          #3
          RE: Expansion tank differences

          As far as I know all the original expansion tanks were made of brass. There has been a few comments that some were made of steel, but as of today I cannot confirm this rumor. As for Aluminum, this is some sort of aftermarket piece.

          Neat way to display it to remove the paint and polish the tank to a brilliant shine.

          Fuz
          58's&64's

            Comment

            • JohnG
              John
              • Jul 28 2003
              • 2341
              #4
              RE: Expansion tank differences

              My mistake...the one that came with the car is made out of steel (I put a magnet on it).

              John
              1958 Hardtop
              #8452 TBird Registry
              http://tbird.info/registry/DataSheet...r~equals~8452)

              photo: http://www.squarebirds.org/users/joh...d_June2009.jpg
              history:
              http://www.squarebirds.org/users/johng/OCC.htm

                Comment

                • Rockin Kev
                  Experienced
                  • Oct 31 2002
                  • 253
                  #5
                  RE: Expansion tank differences

                  Hi Guys,
                  www.larrystbird.com are now doing repro tanks for the Squarebird, with correct smooth design..hope this helps.
                  kev
                  1960 430 Sunroof
                  England.

                    Comment

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