1963 Cooling Systems hoses - NCRS Discussion Boards

1963 Cooling Systems hoses

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  • Daniel S.
    Expired
    • December 10, 2013
    • 24

    1963 Cooling Systems hoses

    Hello, thanks again for all of the insight I have been getting on this forum. I have a 63 SWC and an chancing the heater hoses. I have the bracket that bolts to the alternator which secures the hoses to the alternator. However, I don't have the bolt that secures the bracket. Do you know what size and thread this bolt should be? I have tried a few but they only screw in a few turns and don't feel right. I appreciate any insight that you can provide.
    Thank you, Dan
  • Bob R.
    Extremely Frequent Poster
    • June 30, 2002
    • 1595

    #2
    Re: 1963 Cooling Systems hoses

    I think that bolt is hex indented head self tapping 1/4 20. I'm sure all of the part vendors sell them try Paragon or Long Island Corvette.

    Comment

    • Donald A.
      Expired
      • January 7, 2013
      • 239

      #3
      Re: 1963 Cooling Systems hoses

      I think standard 3/8 coarse thread. screws into exhaust manifold on my 340hp
      Attached Files

      Comment

      • Rich P.
        Expired
        • January 12, 2009
        • 1361

        #4
        Re: 1963 Cooling Systems hoses

        gs bolt.jpgAs said 1/4-20 thread with a flat end and a self cutting notch in the tip, recessed head and typical headmarkings on originals are...E, 3 dots, circles, RBW, anchor and a few more. Also they used a tip with tapered threads and slits in four spots to cut threads.

        Comment

        • Bob R.
          Extremely Frequent Poster
          • June 30, 2002
          • 1595

          #5
          Re: 1963 Cooling Systems hoses

          The engine photo shown above did not route the heater hoses properly so don't follow that when installing the your hoses. The upper and lower hoses actually twist after leaving the heater box and before the surge tank connection. Sorry I don't have a photo of the installation.

          Comment

          • Michael G.
            Extremely Frequent Poster
            • November 12, 2008
            • 2157

            #6
            Re: 1963 Cooling Systems hoses

            Here's the routing:

            Screen Shot 2014-10-24 at 1.40.53 PM.jpg
            Mike




            1965 Black Ext / Silver Int. Coupe, L84 Duntov, French Lick, 2023 - Triple Diamond
            1965 Red Ext / White & Red Int. Conv. - 327/250 AC Regional Top Flight.

            Comment

            • Daniel S.
              Expired
              • December 10, 2013
              • 24

              #7
              Re: 1963 Cooling Systems hoses

              Mike, thank you for posting this! It is perfect.
              Dan

              Comment

              • Donald A.
                Expired
                • January 7, 2013
                • 239

                #8
                Re: 1963 Cooling Systems hoses

                Before you throw me under the bus here is a pic from a bone stock 63 340. I did my car just like it.
                Attached Files

                Comment

                • Bob R.
                  Extremely Frequent Poster
                  • June 30, 2002
                  • 1595

                  #9
                  Re: 1963 Cooling Systems hoses

                  Don
                  Don't take it too personal the man asked for the proper routing of the heater hose and the photo you had was not correct. Rather than let him do it wrong and find out at judging I thought I would point it out. The photo of the original car you had still may not have had the original hoses the way the factory installed them old doesn't mean original. If you look at the AIM you can see the proper routing.

                  Comment

                  • Donald A.
                    Expired
                    • January 7, 2013
                    • 239

                    #10
                    Re: 1963 Cooling Systems hoses

                    OK,

                    Are you saying that the only difference is that one is over the other i.e. on top of the "tee" I see no other difference.

                    PS. Heading to Frisco now to Regional and will look at the cars there and take pics. Later

                    Also, I've heard of things in AIM that were not actually how it rolled off line.

                    Fun Stuff

                    One last thing, I was proud to just get to a point on my car that I was able to focus on a hose. Smile

                    Comment

                    • Joseph S.
                      National Judging Chairman
                      • March 1, 1985
                      • 862

                      #11
                      Re: 1963 Cooling Systems hoses

                      Dan and Don, Per the AIM, the small hose comes up and over the T fitting at the tank. Then before it goes through the bracket at the alternator it loops back under the larger hose. I hope this is clear enough in writing. Most believe that the routing in this configuration is to allow 1 hose to support the other hose. Joe

                      Comment

                      • Bob R.
                        Extremely Frequent Poster
                        • June 30, 2002
                        • 1595

                        #12
                        Re: 1963 Cooling Systems hoses

                        Yes the only difference is the lower hose twists around and over the upper hose. It might sound silly but if a judge spots it it would get a deduction. Its not easy to get a car correctly assembled and 63 is a very difficult year as there were lots of changes during the run. I do believe all 63's had the hose installed that way.

                        Comment

                        • Thomas S.
                          Very Frequent User
                          • February 7, 2016
                          • 617

                          #13
                          Re: 1963 Cooling Systems hoses

                          Originally posted by Joseph Scafidi (8321)
                          Dan and Don, Per the AIM, the small hose comes up and over the T fitting at the tank. Then before it goes through the bracket at the alternator it loops back under the larger hose. I hope this is clear enough in writing. Most believe that the routing in this configuration is to allow 1 hose to support the other hose. Joe
                          Page 84 of Nolan Adams book as well as Edition 6, page 7 of the 63-64 JG does not show the smaller hose passing under the larger one when it goes through the clamp on the alternator bracket. Most photos clearly show the smaller hose passing under then over the tee but i've never,seen a good picture of the hoses passing through the clamp.

                          Am I missing something because, unlike the AIM, both of the publications I mentioned have clear illustrations with multiple views.
                          Attached Files
                          67 427/400 Lynndale Blue Corvette https://online.flippingbook.com/view/750924569

                          Comment

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