confused about fluids

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  • gride300
    1,000 Post Club Member
    • Apr 2008
    • 1356

    • mobile, al


    #1

    confused about fluids

    what all fluids are there in an ex330 closed cooled? oil, coolant, and transmission? if i have a walters v-drive is that my transmission that takes sae 30? i'm confused on whether there's the walters and pcm tranny. i've always had the dealers do the changing.
  • intrlaz
    • Aug 2009
    • 230



    #2
    The closed cooling is only on the engine. There is a large black cylinder behind the rear seat. That is the heat exchanger. Raw water is circulated inside of the cylinder and used to cool the antifreeze. Antifreeze is circulated throughout your motor (with the exception of the exhaust, which is still raw water cooled)

    The trans and v-drive are separate components. The trans is built by PCM and uses Dex III (or Dex/Merc) transmission fluid.

    The SAE 30 is used in the Walters V-drive. The v-drive is the unit that that propeller shaft comes out of

    Comment

    • ers906
      Senior Member of PLANETNAUTIQUE
      • Feb 2010
      • 921

      • Phoenix AZ

      • 2013 G23 550 hp (ordered and awaiting delivery) 2002 Super Sport (coverted into a SAN) 330 hp Excaliber 1994 Sun Tracker Party Barge 115 hp 1989 Horizon 200 Four Winns - sold 1989 Regal Commodore 280 - previous Possibly looking into picking up a 70'2-80's Nautique to rebuild as a ski boat

      #3
      Not that I am going to do this, but I have always wondered if you can change a open cooling system to a closed system with an aftermarket set up?
      Eric, Phoenix AZ

      G23 550 hp (finally here)
      2002 Super Air
      1994 Sun Tracker Party Barge 115 hp

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      • intrlaz
        • Aug 2009
        • 230



        #4
        You can change to closed cooling. I had one installed on my GT-40 for about 1k all in. Got the parts from Ski_dim, but I had to call them directly.

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        • gride300
          1,000 Post Club Member
          • Apr 2008
          • 1356

          • mobile, al


          #5
          yes you can add a closed system. from what i understand it's not fully closed though, even though the new coastal editions are fully closed. i have a closed system on my boat w/ a flush mounted on the transom along with a strainer. it's not a cheap add on, but is worth it if you need it. the 6.0L engines come closed cooled.

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          • gride
            1,000 Post Club Member
            • Jun 2007
            • 1441

            • War Eagle

            • 05' 210 team

            #6
            What brand 30 weight are y'all liking for the Walters

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            • bj25430
              • Aug 2009
              • 65

              • McAlester, OK

              • 2008 220 SANTE - Current - 2006 SV211 TE Air Nauti

              #7
              catrol 30w for me. No probs. This oil stays clean all yr. change once a yr or every 500 hrs.

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