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  1. #1
    Join Date
    Mar 2012
    Location
    White Rock BC Canada
    Posts
    16

    Default Calling all 1992 Supra Comp Owners?

    I have a really nice 1992 supra, I'm the second owner and this boat that has under 150 hours on it (making the point that the hull etc is like brand new).

    I've had the boat for a couple seasons and am very curious about something. The boat takes on a lot of water and I really can't figure out how or why (even in dry weather). The auto bilge works great but it seems to dump water every couple hours even with no rain and just sitting at the dock? I triple checked my two drain plugs and made sure they had seal tape. The only other way for water to get in the boat is where the fixed prop leaves the boat bottom side?

    Maybe this is normal but just wondered if anyone with this boat could comment. Thanks!!

  2. #2
    Join Date
    Jul 2010
    Location
    N.W. Suburbs Chicago, IL
    Posts
    1,578

    Default

    Would you say that the bilge runs more when underway or at rest? Or does it not matter whether the boat is running across the water or sitting?
    '86 Comp TS6M
    Monster Tower
    Riding Connelly Skis and Hyperlite Boards
    Rarely ballasted with up to 1500 pounds of ballast

  3. #3
    Join Date
    Mar 2012
    Location
    White Rock BC Canada
    Posts
    16

    Default

    I would say it's probably a bit more when running but the bilge will still cycle quite often at rest. I can hear it going at night from my cabin bedroom.

  4. #4
    Join Date
    Jul 2010
    Location
    N.W. Suburbs Chicago, IL
    Posts
    1,578

    Default

    That's rather odd. My boat is considerably older and has more hours on it and it can sit all night and in the morning when I go out to it, the bilge will have a small amount of water in there if anything. I used to get a considerable amount of water when running and I sealed along the rub rail and that fixed the problem there. I'm kind of at a loss though with the bilge pump running through the night.
    '86 Comp TS6M
    Monster Tower
    Riding Connelly Skis and Hyperlite Boards
    Rarely ballasted with up to 1500 pounds of ballast

  5. #5
    Join Date
    Mar 2012
    Location
    White Rock BC Canada
    Posts
    16

    Default

    Thanks Ben! The rub rail, that's pretty interesting, this boat does sit pretty low in the water so that might be work checking into. At the very least I know there is some problem I need to investigate knowing yours stays pretty dry.

  6. #6
    Join Date
    Jul 2010
    Location
    N.W. Suburbs Chicago, IL
    Posts
    1,578

    Default

    Bet you don't spend much time looking at the stern of your boat so here's a shot I got when I run ballast on my boat...

    Playtime 006.jpgPlaytime 019.jpg

    You can see how low the rub rail can get to the water plus you have spray that runs along the rub rail. My bilge would run everytime I came off plane to pick up a rider. Now, it runs after a significant amount of riding.
    Last edited by Jetlink; 03-15-2012 at 05:58 PM.
    '86 Comp TS6M
    Monster Tower
    Riding Connelly Skis and Hyperlite Boards
    Rarely ballasted with up to 1500 pounds of ballast

  7. #7
    Join Date
    Mar 2012
    Location
    White Rock BC Canada
    Posts
    16

    Default

    Great ideas, thanks a lot guys! I'll check this stuff out once I get it back from storage next month. COME on summer, can't wait!!

  8. #8
    Join Date
    Mar 2011
    Location
    Charlotte, NC
    Posts
    311

    Default

    What about the exhaust? I noticed in my Saltare that I was taking on water from where the exhaust flange mates to the exhaust pipe. When I took the boat apart to redo the stringers I noticed that the SuperTrapps, flange and seal was all the cause of my leak. I removed this set up and went with the flapper style exhaust.
    "Where There's a Will, there's a way!"

    Check out my 1987 rebuild thread here
    http://www.supraboats.com/bbs/showth...-Resto-begins.

  9. #9
    Join Date
    Jun 2010
    Location
    Oregon
    Posts
    205

    Default

    I agree it’s amazing how much water will come in around the rudder shaft. Pull your back seat look underneath the gas tank look at the router assembly . If there’s a great big nut may be about an 1 inch. You could tighten it about one turn and see if that helps. You might also need to change the packing that Dan spoke about. If there is no big nut to tighten you might need to change the seal that’s in the router port. Not a fun job ,it’s hard to get to. Good Luck

  10. #10
    Join Date
    Mar 2010
    Location
    Windsor, Ontario
    Posts
    1,103

    Default

    I'm on the rudder seal myself. There can be a small zirk fitting on the shaft which can take some grease. This grease will prevent a small seapage of water like you are describing. Is there any play on the bottom side of the shaft, lie under the boat and move the rudder from side to side and front to back. If there is play 100% your leaky....

    2003 Supra Launch " Gravity Games Edition"
    Dodge ram CTD tow vehicles....

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