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Old 06-24-2014, 05:04 AM   #1
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As we go through life we eventually come upon something we have never encountered. That happened to me this weekend. Please bear with me as I try my best to explain my problem.

I bought my 1800sr back in November 2006 and it's a 2000 model year. I've never had any problems with the boat, only bad gas on the first tank. Every year I change all the fluids (engine oil, outdrive, etc.). Run it on muffs to make sure everything is okay every time. She has been a great boat with a lot of trouble free enjoyment. But she hasn't seen much use in the last 4 years due to family work conflicts and the like. Prior to this past weekend the last time she was sitting on the water was May 2012. I pulled her 2400 miles across the country in February looking forward to finally being able to enjoy her like she should with such a variety of lakes here in Kentucky.

I changed the oil and outdrive fluid in CA last October simply because it had been in the engine for so long. So on saturday I started my preparations for getting her on the water. Along with all my other processes, I hooked her up to the muffs and ran her for about 20 minutes to make sure everything was good. No leaks, everything working correctly, no overheating, all systems were normal. When I shut her off, the oil was clean, no milkyness at all.

Fast forward to the lake. We spent about 3 hours driving around, seeing the sites, enjoying the day. After about 3 hours on the lake a storm blew in and caught us by surprise. Even got some hail. The engine died while I had the sunpad up trying to get the bimini out and up to prevent everything from getting soaked. She didn't want to start so i pulled the engine shroud off and saw milky residue coming from the valve cover breather tubes right onto the flame arrestor. Not good!!

This is the thing I've never experienced before, or even knew someone who had the same problem. I'm totally in the dark when it comes to having water get into the oil. I'm in the process of changing the oil for the second time trying to get all the funk out, and here's my question:

How long does it take for water in the oil to foam it up into a milky paste? Could it be that water got into it during the rain storm while I had the sunpad up? Or is it something far worse? Like overheating and causing an intake gasket leak? I've never known anyone where this has happened so I don't know the science behind it. I don't know how long the process takes or anything. I know there's questions to be answered so if I haven't given you enough details just ask away and I'll answer them all. Thanks in advance for any insight.
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Old 06-24-2014, 11:57 AM   #2
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Scout, my first thought is that you have a bad manifold or head gasket. This is a fairly common problem and there is good info on this site for you. I recommend doing a search for "manifold", "milky oil", and "water in oil" and you'll see what I mean. Those posts have detailed info that should help you understand what's happening.
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Old 06-24-2014, 12:33 PM   #3
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I was hoping that it's not the manifold gasket leaking, that's why I asked how long would it take to affect the oil. I don't think anyone has ever had it this bad. Any more thoughts?
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Old 06-24-2014, 12:53 PM   #4
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scout I am affraid it is much worse than rain water. Raw water is getting into the oil to the point the system is overfilling beside breaking down the oil.

The sources range from bad exhaust manifolds/elbows, leaking intake gasket, blown head gasket, and cracks (head or block)

I recommend changing the oil and then test the engines compression also inspect the exhaust system.

What engine (4.3) do you have and how many hours?
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Old 06-24-2014, 01:18 PM   #5
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4.3 and I don't know about the hours. An hour gauge was never installed. I can tell you that less than 5 gallons of fuel have been used each year for the past 4 years.
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Old 06-24-2014, 04:55 PM   #6
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OK so very low hours. None the less I still recommend what I stated in my first post.
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Old 06-24-2014, 06:09 PM   #7
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Thanks for the input all, but she's a boat so I just decided to let her be a B.O.A.T, Break Out Another Thousand. Took her to the marine repair shop for some proper TLC. I could probably fix the problem, but at what expense? I'm gone 6 am - 6:30 pm four days a week for work, leaving me three days a week to troubleshoot then fix the problem as well as spend time with my family, work on the "honey-do" list from the wife, sports and lessons for the kids, and all the other things that life throws at us.

Although I feel pretty confident in my mechanical abilities, this could turn into something requiring some specialized tools, assistance I don't have, could eat up a month of weekends, and I might end up having to take her in anyway. It may take several weekends for me to get things right, and moving back to the land of four seasons I fully value the time I have during nice weather.

And when it's all said and done I will probably be back on the water in less time (albeit with a lighter wallet), making some memories with the family and enjoying life!
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Old 06-24-2014, 10:01 PM   #8
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Your call, hope it doesn't take to long or cost to much. Enjoy the honey-do's
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Old 06-25-2014, 12:15 PM   #9
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Mike, if you're married then you'll know that rarely are the honey-do's "enjoyable", it's what the honey does for you after you finish the honey-do's that make them all worth while! I'm hoping it doesn't take too long or cost too much as well!
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Old 06-25-2014, 12:33 PM   #10
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Married, well we hit 31 years at the beginning of this month. Been through all kinds of phases of what honey do's rewards or not happen
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