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Bad start to my season🙄 Hole in piston

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    Bad start to my season🙄 Hole in piston

    Not only did my flybridge windscreen break but.....
    Click image for larger version  Name:	FAAC36B5-4974-48B9-ACA9-A84034A58494.png Views:	986 Size:	658.3 KB ID:	566288Number 5 piston, doesn’t run very good like this😕
    Last edited by builderdude; 06-03-2020, 10:26 AM.
    Dave
    Edmonds, WA
    "THE FIX"
    '93 2556
    Carbureted 383 Vortec-Bravo II 2.0:1 18 1/4x19 P

    The rebuild of my 2556 https://www.baylinerownersclub.org/f...76?view=thread
    Misc. projects thread
    https://www.baylinerownersclub.org/f...56-gctid789773

    #2
    OUCH!! Sorry to hear the bad luck Dave. You certainly are being tested this year. Hang in there.
    2004 Monterey 282 Cruiser
    Twin Volvo Penta 5.0GXi-E
    SX-M 1.6gr Outdrives
    Docks @ Punta Gorda, Florida

    Comment


      #3
      The engine should spin faster without having compression.

      time me to build on of ricks engines. Sorry dude!
      1997 Maxum 2400 SCR 5.7LX Bravo II

      Mike

      Comment


      • builderdude
        builderdude commented
        Editing a comment
        Yep, to be honest I can’t really say I’m that surprised 🥴

      #4
      Rick, why would you let him use stench pistons?
      Tally and Vicki
      "Wickus" Meridian 341
      MMSI 338014939

      Comment


      • builderdude
        builderdude commented
        Editing a comment
        Rick has informed us all, I knew the risk😁

      • pgiconch
        pgiconch commented
        Editing a comment
        What's a stench piston?

      #5
      You guys kill me🤣👍🏼 I instantly thought I’ve melted a hole through the piston and that’s probably the case. Just looking at the hole via the bore scope it looks like a chunk broke out of the middle of the piston. I’ll disassembled it tomorrow.
      Dave
      Edmonds, WA
      "THE FIX"
      '93 2556
      Carbureted 383 Vortec-Bravo II 2.0:1 18 1/4x19 P

      The rebuild of my 2556 https://www.baylinerownersclub.org/f...76?view=thread
      Misc. projects thread
      https://www.baylinerownersclub.org/f...56-gctid789773

      Comment


        #6
        Don't sweat it, you have 7 more usable pistons.
        " WET EVER "
        1989 2459 TROPHY OFFSHORE 5.8L COBRA / SX
        mmsi 338108404
        mmsi 338124956
        "I started with nothing and still have most of it left"

        Comment


          #7
          Holy Chit!
          P/C Pete
          Edmonds Yacht Club (Commodore 1993)
          1988 3818 "GLAUBEN”
          Hino EH700 175 Onan MDKD Genset
          MMSI 367770440

          Comment


          • Shipsngiggles
            Shipsngiggles commented
            Editing a comment
            Yeah, I know... that is a nasty job... It seems to be going around though. A buddy of mine has a 5600 Navigator. He cracked the head and one of his cylinder sleeves on one of his Volvo Diesel motors

          #8
          Sorry to hear that. I had to replace my port engine a couple years back. What do you think caused it.
          Glen Sherwood
          1987 3270 twin 305’s
          Coupeville, WA

          Comment


            #9
            Well Dave, that’s a damn bummer! On the positive column you have time to rebuild that engine before summer hits!
            Jim Gandee
            1989 3888
            Hino 175's
            Fire Escape
            [email protected]
            Alamitos Bay, SoCal

            Comment


            • builderdude
              builderdude commented
              Editing a comment
              My thoughts also Jim

            #10
            A little JB Weld and you should be good to go ! 😜
            Currently watching from shore while deciding what my next boat will be !

            Comment


              #11
              Running lean ?

              Be good, be happy, for tomorrow is promised to no man !

              1994 2452, 5.0l, Alpha gen. 2 drive. Sold ! Sold ! Sold !

              '86 / 19' Citation cuddy, Merc. 3.0L / 140 hp 86' , stringer drive. Sold ! Sold ! Sold !

              Manalapan N.J

              Comment


              • builderdude
                builderdude commented
                Editing a comment
                Not sure chief, anything’s on the table at this point😯

              #12
              Sorry about that.
              Present Boat- 2018 VR5 4.5/200hp Mercruiser
              Last Boat- 1998 Capri 1950CL 3.0 Mercruiser

              Comment


                #13
                Any idea what caused the hole in the piston Dave? And was the windscreen damage caused by winter temps?
                2004 Monterey 282 Cruiser
                Twin Volvo Penta 5.0GXi-E
                SX-M 1.6gr Outdrives
                Docks @ Punta Gorda, Florida

                Comment


                  #14
                  Originally posted by pgiconch View Post
                  Any idea what caused the hole in the piston Dave? And was the windscreen damage caused by winter temps?
                  Initial thoughts are detonation however I can’t really see any “melting” anywhere els around the area. The perimeter of the hole looks very jagged.
                  🤔
                  The port side windscreen already had a small piece missing where it mounts to the flybridge with a screw, just left of center but wasn’t really noticeable. I think it was a result of that area not being secured and vibration. A very large piece broke off and was laying up on the flybridge deck.
                  Dave
                  Edmonds, WA
                  "THE FIX"
                  '93 2556
                  Carbureted 383 Vortec-Bravo II 2.0:1 18 1/4x19 P

                  The rebuild of my 2556 https://www.baylinerownersclub.org/f...76?view=thread
                  Misc. projects thread
                  https://www.baylinerownersclub.org/f...56-gctid789773

                  Comment


                    #15
                    Sorry to hear that, did this happen on initial start up? Like you said, don't see what you'd expect if it were detonation. Possible hydrolock?
                    88 Four Winns 200 Horizon 4.3 OMC
                    98 Jeep Grand Cherokee 4.0/Selectrac
                    07 Jeep Grand Cherokee 5.7 Hemi/Quadradrive II

                    Long Island Sound Region

                    Comment

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