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    Freshwater System Plumbing

    I have a 1990 310 Sundancer. The freshwater system is plumbed with a grey colored 5/8 polyethylene hose. The elbows and tee fittings are a grey plastic with compression fittings. The compression fittings have a brass nut. Any idea who makes these fittings and where I can find them? I have small...
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    Replacement water fill cap

    Does anyone know the right part number or where I can find a replacement water fill cap for a 1990 310 Sundancer? I looked it up in the parts manual and it said part# 522557. I bought one of these from my local Sea Ray dealer but it doesn't fit. It appears to be the wrong thread size.
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    Bottom Paint Contractor Recommendation

    I'm looking to have many old coats of bottom paint stripped off and then the bottom repainted this year. Can anyone recommend a good contractor for this in the southeast Michigan area?
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    Do I have a cored hull?

    I was going to install an in-hull transducer, but after reading the instructions, it says that it can't be used with cored hulls. Does anyone know if my hull is cored? The boat is a 1990 310 Sundancer. Thanks.
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    Water Stains in Headliner

    I have a 1990 310 Sundancer that has water stains in the cabin headliner. The boat had some water leaks in the past that were repaired by the previous owner. I understand this was a common problem on these older Sea Rays. The boat is in perfect condition other than these stains and it kind of...
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    Aquagard Bottom Paint

    Anyone use Aquagard bottom paint in freshwater? Just wondering how well it worked. The price is less than other paints and the water base would be a bonus. I've been using Pettit Vivid for a while and have had good luck, but it's a bit pricey.
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    Mercury synthetic oil

    Did mercury stop making the 20w 40 synthetic oil? I was shopping online today and it seems everyone is sold out. It looks like the 25w 40 synthetic blend is getting hard to find as well.
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    Most Efficient Cruising Speed

    Anyone have a 1990-1994 310/330 Sundancer with 7.4L V-drives and fuel flow meters? I have a 1990 310 Sundancer. I'd like to know what my most efficient cruising speed is. The boat seems to cruise comfortably at 3,000 rpm which is about 26-27mph. I just don't know if this is the most efficient...
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    Uneven Fuel Consumption

    I have a 1990 310 Sundancer with 454 Mercruiser V-drives. The starboard engine consumes a lot more fuel than the port engine. After starting out with full tanks, when the starboard tank gets down to 1/4, the port tank is still at 1/2. It's not a gauge issue, because the starboard tank will take...
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