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Appreciate some input on LY6

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  • Appreciate some input on LY6

    We are looking to purchase 2010 Prostar. Boat is in very good condition with fairly low hours. Its obvious that has been well cared. Boat has Indmar Vortec 6000 VVT (LY6) Starboard side catalyst exhaust manifold has some bubbling on the coating. Port side does not show this condition. When questioned, I have been told this was a coating defect from the manufacturer. To point during test drive, the engine performed with no issues. MC dealer performed a compression check and came out all cylinders are between 180 to 185 PSI. Any thoughts? Has anyone come across something like this? I would appreciate your input.
    Thanks!
    Click image for larger version

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    sigpic
    2014 - X30
    2007 - X1
    1996 ProStar 190

  • #2
    That wouldn’t concern me too much ….
    Ski in snow, ski in water, and always have fun!

    2008 Prostar 214 MCX
    1995 Prostar 190 "Evil Minion"
    Previous 93 Prostar 190 1.5:1 GT40

    "Left Foot Forward and preferring girls."
    "Do you have Flake on that boat?"

    Comment


    • #3
      Originally posted by 93Prostar190 View Post
      That wouldn’t concern me too much ….
      Now we know what an LY6 manifold looks like with cats. I don't have cats.

      If its not a competition ski boat, its always second best.

      2008 MasterCraft X14, LY6, 400 HP
      1994 MasterCraft ProStar 205 (SOLD)

      Check out MasterCraft Buckeye Bash on Facebook!

      Comment


      • #4
        Originally posted by Double D View Post

        Now we know what an LY6 manifold looks like with cats. I don't have cats.
        Yes David, it sure looks that way.
        Ski in snow, ski in water, and always have fun!

        2008 Prostar 214 MCX
        1995 Prostar 190 "Evil Minion"
        Previous 93 Prostar 190 1.5:1 GT40

        "Left Foot Forward and preferring girls."
        "Do you have Flake on that boat?"

        Comment


        • #5
          Originally posted by Double D View Post

          Now we know what an LY6 manifold looks like with cats. I don't have cats.
          What am I missing... Can you please elaborate on not having cats. Thanks!
          sigpic
          2014 - X30
          2007 - X1
          1996 ProStar 190

          Comment


          • #6
            Originally posted by Memo View Post

            What am I missing... Can you please elaborate on not having cats. Thanks!
            Sorry for the confusion. When 93PS190 and I were doing some diagnostics on my 2008 LY6 we weren’t sure if I had catalytic converters in the manifolds. Yours has the round portion holding the cat material, mine does not.

            Click image for larger version

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            If its not a competition ski boat, its always second best.

            2008 MasterCraft X14, LY6, 400 HP
            1994 MasterCraft ProStar 205 (SOLD)

            Check out MasterCraft Buckeye Bash on Facebook!

            Comment


            • #7
              Any other input
              sigpic
              2014 - X30
              2007 - X1
              1996 ProStar 190

              Comment


              • #8
                Originally posted by Double D View Post

                Now we know what an LY6 manifold looks like with cats. I don't have cats.
                You have the LY6? 1:1?
                Prior boats - (3) X14's, (3) Prostars, and a Tristar.

                Comment


                • #9
                  Originally posted by JohnE View Post

                  You have the LY6? 1:1?
                  Yes, LY6 with 1:22 to 1 transmission
                  If its not a competition ski boat, its always second best.

                  2008 MasterCraft X14, LY6, 400 HP
                  1994 MasterCraft ProStar 205 (SOLD)

                  Check out MasterCraft Buckeye Bash on Facebook!

                  Comment

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