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Two questions about a 2651-gctid811026

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    Two questions about a 2651-gctid811026

    Hi Guy's, I have a 1988 2651 that I'm doing a restoration on along with a new engine installation.

    A couple of questions if I may, there is a plastic tube running from beneath the intergrated boarding platform into the hull.

    Tube is approx 1/2" in diameter and wasn't connected to anything on either end. What is this for?

    2nd question regards the exhaust. Installing a new engine and exhaust system and wondering as the old motor had a 6" exhaust riser extension, do I need to put one on the new engine?

    #2
    "gmst2" post=811026 wrote:
    Hi Guy's, I have a 1988 2651 that I'm doing a restoration on along with a new engine installation.

    A couple of questions if I may, there is a plastic tube running from beneath the integrated boarding platform into the hull.

    Tube is approx 1/2" in diameter and wasn't connected to anything on either end. What is this for?

    [color]blue wrote:
    I would need to see a photo![/color]

    2nd question regards the exhaust. Installing a new engine and exhaust system and wondering as the old motor had a 6" exhaust riser extension, do I need to put one on the new engine?

    [color]blue wrote:
    Perhaps do the math and see where the water line is with regard to the low point of the elbow exhaust path.

    If the exhaust elbows had spacers/risers underneath them, the previous owner most likely had good reason!

    Just for clarity, here is an exhaust Manifold, Spacer/Riser and Elbow.

    The spacer/riser is typically used:

    ..... to control water reversion when a hull sits lower-than-normal in the water

    ..... to separate the manifold from Non-Ported elbow in a Full Closed Cooling System scenario

    In this scenario (below) the spacer/riser is being used to gain Elbow height only. [/color]
    [attachment]36905 wrote:
    Exhaust riser space vs elbow explained 5 .jpg[/attachment]


    Attached files

    Rick E. Gresham, Oregon
    2850 Bounty Sedan Flybridge model
    Twin 280 HP 5.7's w/ Closed Cooling
    Volvo Penta DuoProp Drives
    Kohler 4 CZ Gen Set

    Comment


      #3
      Have attached a couple of photos of the tube.

      Thanks for the information re the riser, I will put one on.


      Attached files

      Comment


        #4
        Where does the tube exit?

        Could it be a home-made wiring "chase" for some other sending unit or device, like a fish finder?

        Comment


          #5
          Definately a home made something. It could have been used to feed some sort of fish well but the way it sits now looks like a good way to sink your boat inch:
          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
            Thanks for your imput guys, think I will fibreglass the hole up so we don't sink!!

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