1958 Atomic4 Overhaul .5

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  • 2dogsnight
    Senior Member
    • Jun 2012
    • 248

    1958 Atomic4 Overhaul .5

    Due partialy to rising moorage rates, I have sold my 78 Balboa 23'
    ....sad, but have to do whats best for us
    Attached Files
  • 2dogsnight
    Senior Member
    • Jun 2012
    • 248

    #2
    having 1956 home build plywood motorboat softened the blow of seeing VeryBeary go.....
    Now I am concentrating on going trough Atomic4, to make sure that it will be a reliable power plant.for our little VeryBeary II

    The boat is pretty much an "open slate" as far as interior goes....not much there.....
    Attached Files

    Comment

    • 2dogsnight
      Senior Member
      • Jun 2012
      • 248

      #3
      I will try to document my progress , to motivate myself to press on......

      So far after trying to start the motor, I found out that one of the valves was stuck, so there was no compression......
      I have decided to go trough the whole motor and do a partial rebuild....
      Exhaust manifold is off.....everything seems to be in order there.
      Head is off, and also looks good.
      .......next will be taking valves out for check out and maybe dusting it off on grinder
      Attached Files

      Comment

      • jbsoukup
        Afourian MVP
        • Jan 2012
        • 148

        #4
        Wow, what a cool little boat! Having the A-4 is the icing on the cake as I'm sure once you get it going it will be a trusty friend. Don't we all wish we had access to the engine like you do. As far as the interior goes, bare can be beautiful. Perfect for fishing. A couple lawn chairs and a cooler - what more could one want? (now there's a can of worms!) By the way, what's under those dog houses port and starboard?
        sigpicjohn
        '77 catalina 30 #783
        the only way to be sure is to make sure

        Comment

        • 2dogsnight
          Senior Member
          • Jun 2012
          • 248

          #5
          thank you JB
          Boat was home build by gentleman from Olympia WA.......
          Dog houses are gas tanks ...still not sure if to keep them, as they will have to be taken out and cleaned. Taking them out will give more room in the cockpit, but new plastic tanks will have to be placed somewhere.....

          Comment

          • Ball Racing
            Afourian MVP
            • Jul 2011
            • 506

            #6
            I am just using a outboard tank in mine.
            Full cruise Gallon a hour use= 6hrs per tank, 10+ mph 60+ miles to a tank.
            Just fishing, trolling, cruising many more hours per tank.
            I don't travel far enough to need more.
            Tyring to keep the Bay's Wooden Boat's history from dying off completely.
            Daniel

            Comment

            • 2dogsnight
              Senior Member
              • Jun 2012
              • 248

              #7
              taking out valve keepers with valve spring compressing tool and magnet....
              Attached Files

              Comment

              • jbsoukup
                Afourian MVP
                • Jan 2012
                • 148

                #8
                if you take out the old tanks and build a simple bench captain's seat, the tankage could go underneath. I like the simplicity of a regular outboard tank - good idea - especially for layup. plus you can always carry a spare.
                sigpicjohn
                '77 catalina 30 #783
                the only way to be sure is to make sure

                Comment

                • jbsoukup
                  Afourian MVP
                  • Jan 2012
                  • 148

                  #9
                  by the way, how long is the boat? It looks like maybe it's a semi-displacement hull? do you know who designed her?
                  sigpicjohn
                  '77 catalina 30 #783
                  the only way to be sure is to make sure

                  Comment

                  • 2dogsnight
                    Senior Member
                    • Jun 2012
                    • 248

                    #10
                    boat was build in 1956....don't know any details about the build...
                    It's 18' long and 6' in widest spot.
                    ....I am leaning toward taking the tanks out and using single outboard 6 gal tank....6 hrs cruising time would be plenty for me....and I need room for 2 single swivel seats
                    Attached Files

                    Comment

                    • 2dogsnight
                      Senior Member
                      • Jun 2012
                      • 248

                      #11
                      took 1st cylinder valves out....both stems were very tight in guides.....maybe have to get a reamer and clean the guides...check the valves stems with a micrometer for a wear...lots of black grime on it too

                      ALL valves are in various stages of sticking in their guides...none of them moving freely....as are the valve tappets !!
                      Attached Files
                      Last edited by 2dogsnight; 01-27-2013, 12:37 PM.

                      Comment

                      • ILikeRust
                        Afourian MVP
                        • Sep 2010
                        • 2198

                        #12


                        I would clean it up and paint it, but otherwise leave it mostly as-is. I love that old open "workboat" - type look.

                        That is a very sweet boat. Very cool.
                        - Bill T.
                        - Richmond, VA

                        Relentless pursuer of lost causes

                        Comment

                        • 2dogsnight
                          Senior Member
                          • Jun 2012
                          • 248

                          #13
                          Thank you Bill

                          ......but.....I need to put two comfortable seats in it.....that's why I went with Ball Racing reasoning and took the old gas tanks out, to free some room ....
                          Both tanks had lots of gas (varnish) in it.....
                          ...so now I have more room , and another question is coming to mind......since the cabin has pretty low roof on it, and is not easy to get to the front steering wheel....I would like to get rid of it and use the side one....would like to move the two motor gages from there too..... not sure how, and where to install it yet

                          Have all the valves out of the motor....I will have to clean it and grind it....the bigger ones are from exhaust??
                          Cleaning the carburator is next
                          Attached Files

                          Comment

                          • sastanley
                            Afourian MVP
                            • Sep 2008
                            • 6986

                            #14
                            2dogs...I am a little tight on time, but this is a comment is related to earlier up in the thread where you talked about tanks.

                            Moeller makes plastic tanks of all shapes and sizes...you could put some long skinny tank(s) that would not intrude into the usable deck space.

                            They have 'top side tanks', which have their own cap & fill, and they have permanent tanks, which you could add a deck fill.

                            -Shawn
                            "Holiday" - '89 Alura 35 #109
                            "Twice Around" - '77 C-30, #511 with original A-4 & MMI manifold - SOLD! (no longer a two boat owner!!)
                            sigpic

                            Comment

                            • 2dogsnight
                              Senior Member
                              • Jun 2012
                              • 248

                              #15
                              thanks Shawn...I will definitelly look into Moyers gas tanks selection!!

                              ....dusting off valves today during my breake :-)
                              Attached Files
                              Last edited by 2dogsnight; 01-29-2013, 03:18 PM.

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