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Post 50 side exhaust question

Discussion in 'Post Yacht' started by Dan balmer, Nov 25, 2021.

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  1. Dan balmer

    Dan balmer Member

    Joined:
    Jun 20, 2016
    Messages:
    65
    Location:
    Port Canaveral,fla
    i have Post 50 yr 2000 with MTU that smoke and make my son who handles cockpit fishing work for trolling sick to his stomach when trolling. I am considering installing side exhaust ports instead of transom exhaust outlet that gets caught up in station wagon effect at trolling speed Can get 10” 45 fiberglass exhaust elbow and route out the side putting the fumes in air stream along the side of the hull Anyone know about such things? Thanks
  2. porthole

    porthole Member

    Joined:
    Mar 15, 2016
    Messages:
    89
    Location:
    Jersey Shore
    No idea on a 50 but on my 34 Luhrs with twin Detroits my exhaust was on the side.
    Still smelled with the added benefit of having exhaust soot on the sides.
  3. DOCKMASTER

    DOCKMASTER Senior Member

    Joined:
    Feb 26, 2012
    Messages:
    1,081
    Location:
    Ketchikan, Alaska
    With side exhaust you also have to be mindful where your fenders hang. You don’t want to get a fender in way of the exhaust when you are tied to the dock. I used to have side exhaust for a generator and it was right in the aft corner where I needed to put a fender. It was a pain. I relocated the exhaust to come out of the main engine exhaust tube in the transom.
  4. Capt Ralph

    Capt Ralph Senior Member

    Joined:
    Sep 8, 2004
    Messages:
    10,737
    Location:
    Satsuma, FL
    Can you fix the engines to not smoke?
    Or is it the clear but still obnoxious exhaust stink you are explaining.

    I used rubber 90s clamped on to my exhaust outlets and pointed them down. At speed, the exhaust blows into the hollow behind the transom. At idle, lost of splashing but less noise and stink.
    Tie a safety line to them. If you don't like them, no mods were made to your boat.
    Now, The real trick, underwater exhaust further forward.