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  1. M

    Mercruiser 7.4 Loss 1000 RPM

    I have a Bayliner 2858 with a Bravo II and Mercruiser 7.4L. I recently changed the exhaust manifold and in doing so I changed the spark plugs and wires. When I tried to get her on plane it would only do 3600 RPM's at best. Keep in mind the boat sat in dock for 2 months in the summer without...
  2. M

    Tips on Installing Exhaust Manifold 7.4L ?

    I recently purchased a 1996 2858 Cierra 7.4L Mercruiser that needs the exhaust manifold replaced on the port side. I decided to do both sides. This will be my first time doing anything major on this vessel. Any tips or heads up before the wrenches start flying? Any help or tidbits of...
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