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  1. V

    2004 Mercruiser 3.2 L power loss

    Oh sorry, by full open I meant changing the restricted disc gasket for the open unrestricted gasket. Would that improve my power loss. The through hull part threw me. Thanks again Chris! Reply
  2. V

    2004 Mercruiser 3.2 L power loss

    Oh sorry, by full open I meant changing the restricted disc gasket for the open unrestricted gasket. Would that improve my power loss. The through hull part threw me. Thanks again
  3. V

    2004 Mercruiser 3.2 L power loss

    The manifolds seemed identical in every way. It sounds like you are confirming that the manifold flow can inhibit power. Would a full open configuration improve my problem? Thank you for your quick response.
  4. V

    2004 Mercruiser 3.2 L power loss

    2004 Mercruiser 3.2L Alpha One. Normal operation tach 4500 RPMs and over 50 MPH. I recently replaced the manifolds. It had dry joint risers. The original riser gaskets had one side full open and the other restricted with a small hole. My replacement came with 4 full open and 4 closed ring...
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