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  1. J

    2005 Mercruiser 496 problem

    Hi all any thoughts are appreciated. I have a 2005 496 with a Bravo (serial unknown) that I am trying to diagnose for the local marina (just a lowly GM tech). When it is cold it will only run for a few seconds and die. If and when you manage to get it warmed up it will idle rough and stumble on...
  2. J

    Replacing 1985 3.0 with newer 5.7

    I have a 20' project boat (well more of a hull right now) that I am replacing the stock 140 hp Mercruiser with a 1997 Vortec 350. Does anyone know if the flywheel housing will bolt up to the new engine ? I have worked at a GM dealer for 12 years and I remember that the trucks using the Iron...
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