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  1. #11
    MOP
    MOP is offline
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    My Boats:
    1986 22 Donzi
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    Nov 2003
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    Jamesport, New York
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    367

    Re: What are the symptoms of a spun bearing?

    Sloppy main bearings will usualy show up a slight rise in oil pressure when you chop the throttle at cruise. The cam lube I used took two changes to get rid of, I had a lot at the 1 hour change and maybe 1/10th but noticable at the 5 hour change at the 10 hour change it was finaly gone>

  2. #12
    MOP
    MOP is offline
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    My Boats:
    1986 22 Donzi
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    Nov 2003
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    Jamesport, New York
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    Re: What are the symptoms of a spun bearing?

    Question do you have an aluminum timing cover? A friend built an engine last year and forgot to install a cam buttom, his oil was scary silver!! The indentation in the cover was only a few thousands deep but made one hell of a mess in the oil.

    Phil

  3. #13
    Registered formula31's Avatar
    My Boats:
    1988 Cruisers 2800 Rogue
    Join Date
    Mar 2001
    Location
    ohio
    Posts
    2,560

    Re: What are the symptoms of a spun bearing?

    another silver boo boo is not putting a hardened shim under the springs on aluminum heads.


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