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64 fuel tank question

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  • Edward J.
    Extremely Frequent Poster
    • September 15, 2008
    • 6942

    64 fuel tank question

    Guys I am looking for some advice for cleaning the inside of a fuel tank that was sitting for many years, the outside of tank is in very nice shape, inside looks like dryed up fuel??
    New England chapter member, 63 Convert. 327/340- Chapter/Regional/national Top Flight, 72 coupe- chapter and regional Top Flight.
  • Joe R.
    Extremely Frequent Poster
    • July 31, 1976
    • 4550

    #2
    Re: 64 fuel tank question

    The best advice in my opinion would be to throw it away and purchase a new one!

    And you know how opinions are don't you? You will be hearing from them!

    JR

    PS. You already heard from one!

    Comment

    • Mike M.
      NCRS Past President
      • May 31, 1974
      • 8383

      #3
      Re: 64 fuel tank question

      i agree with JR. mike

      Comment

      • Michael J.
        Extremely Frequent Poster
        • January 27, 2009
        • 7122

        #4
        Re: 64 fuel tank question

        I would third that opinion.
        Big Tanks In the High Mountains of New Mexico

        Comment

        • Duke W.
          Beyond Control Poster
          • January 1, 1993
          • 15671

          #5
          Re: 64 fuel tank question

          Originally posted by Edward Johnson (49497)
          Guys I am looking for some advice for cleaning the inside of a fuel tank that was sitting for many years, the outside of tank is in very nice shape, inside looks like dryed up fuel??
          Well, if you want to give it a try pouring some acetone into the tank, but if you find any corrosion on the inside I agree with the previous opinions.

          Duke

          Comment

          • Edward J.
            Extremely Frequent Poster
            • September 15, 2008
            • 6942

            #6
            Re: 64 fuel tank question

            Guys yes I agree any rust and I will toss it. Duke I will try some acetone. just to see what happens.
            New England chapter member, 63 Convert. 327/340- Chapter/Regional/national Top Flight, 72 coupe- chapter and regional Top Flight.

            Comment

            • Keith B.
              Extremely Frequent Poster
              • September 15, 2014
              • 1582

              #7
              Re: 64 fuel tank question

              a new tank is around 200 bucks. how much is your time worth trying things that might not work and if its not clean can cause headaches later down the road. just replace it. it will be cheaper in the long run

              Comment

              • Edward J.
                Extremely Frequent Poster
                • September 15, 2008
                • 6942

                #8
                Re: 64 fuel tank question

                Keith I was thinking the original style tanks maybe somehow the originals were some how different in the total gallons, the originals were 18 gallons, I done think the repro tanks are 18 gallons. also I thinking that maybe the originals may have different baffling ? but I am going to study if they are different.
                New England chapter member, 63 Convert. 327/340- Chapter/Regional/national Top Flight, 72 coupe- chapter and regional Top Flight.

                Comment

                • Joe R.
                  Extremely Frequent Poster
                  • July 31, 1976
                  • 4550

                  #9
                  Re: 64 fuel tank question

                  Originally posted by Edward Johnson (49497)
                  Keith I was thinking the original style tanks maybe somehow the originals were some how different in the total gallons, the originals were 18 gallons, I done think the repro tanks are 18 gallons. also I thinking that maybe the originals may have different baffling ? but I am going to study if they are different.
                  Edward,

                  The replacement tanks are exactly like the originals made by the same company with the original logo stamped into the tank. Give it up and get you a NEW tank.

                  JR

                  Comment

                  • Mike M.
                    NCRS Past President
                    • May 31, 1974
                    • 8383

                    #10
                    Re: 64 fuel tank question

                    as usual, I agree with JR in that the current repo tanks can't be differentiated from originals. I might add that GM over the counter tanks from the 70's and 80's were different from original c-2 tanks. mike

                    Comment

                    • Domenic T.
                      Expired
                      • January 29, 2010
                      • 2452

                      #11
                      Re: 64 fuel tank question

                      If your going to do it any way because we all know that these cars take a bit of work to keep the cost down, I might suggest carb cleaner if you have it. I only find that Berrymans works on that stuff.
                      The acetone may do the trick, but I have carb cleaner in 5 gal buckets and a gallon would do it and then could be re used on other parts when done. I used it in motorcycle tanks to clean them and it worked like a champ. In your situation you will have the tank O-ring swell with carb cleaner. Don't think the acetone would hurt it.

                      Dom

                      Comment

                      • Alan D.
                        Extremely Frequent Poster
                        • January 1, 2005
                        • 2038

                        #12
                        Re: 64 fuel tank question

                        Just to answer the baffling question, the original's did not have as I recall.

                        Comment

                        • Joe L.
                          Beyond Control Poster
                          • February 1, 1988
                          • 43221

                          #13
                          Re: 64 fuel tank question

                          Originally posted by Alan Drake (43261)
                          Just to answer the baffling question, the original's did not have as I recall.
                          Alan------

                          Yup. No baffling in the originals and no baffling in the reproductions.
                          In Appreciation of John Hinckley

                          Comment

                          • Joe L.
                            Beyond Control Poster
                            • February 1, 1988
                            • 43221

                            #14
                            Re: 64 fuel tank question

                            Originally posted by Mike McCagh (14)
                            as usual, I agree with JR in that the current repo tanks can't be differentiated from originals. I might add that GM over the counter tanks from the 70's and 80's were different from original c-2 tanks. mike
                            Mike-----

                            Correct. Beginning about late 1969 GM discontinued the C2 tanks and replaced them with the C3 tanks. These are slightly differently configured and all have an integral pressure/vacuum valve. No original 1963-L69 Corvette was originally equipped with a tank with an integral pressure vacuum valve. Functionally, it's not a bad idea to have one since it allows the use of a sealed type fuel cap.
                            In Appreciation of John Hinckley

                            Comment

                            • Gerald C.
                              Extremely Frequent Poster
                              • June 30, 1987
                              • 1283

                              #15
                              Re: 64 fuel tank question

                              Okay, the gas tank I have has solid gasoline from sitting. I read that baking soda, vinegar and water will dissolve this mess. OR should I just toss it and buy a new one?

                              Comment

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