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Old 06-08-2008, 08:02 PM
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Water in oil....

So I finally got around to putting oil in my freshly built 383 sbc before initial start up. I forgot to put one of the valve cover gaskets on (engine is sitting in car) and it rained while I was out of town (hood wasn't on). I poured the 7 quarts the pan needs and checked the dipstick. The oil has a very minor milky appearance to it. Water had leaked in to one of the heads through the valve cover and down to the pan it appears. So I've let the oil sit over night so the water could settle down to the drain plug. Today I unscrewed thr drain plug and sure enough straight water came out for the first second or two. I drained out about 3 liters of oil until it appeared the same milky colour. My question is, should this be a concern because now there is a very minor amount of water in the oil. I will top off that 3 liters I took out again and it be even less concentrated with water. I know I could have avoided all of this but lets just say the weatherman was wrong haha. Will this small amount of milky oil affect my initial start up at all?? Thanks for all your help.

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Old 06-08-2008, 08:18 PM
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If the oil is milky looking, dump it all. If it were me, i'd pull the plug and let it drain overnight, then refill with new oil.
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Old 06-08-2008, 08:19 PM
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the motor was never fired with it in there, so replace with new oil and you will be all set
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Old 06-08-2008, 08:23 PM
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Drain the hole thing and fill it up and then drain it again to make sure all the water is out. When your initial cam break in is done drain it again. There's no need to take a risk with a new motor. 50 bucks worth of oil or 3000 bucks worth of motor. Take your pick. Personally, I would put a few quarts of diesel or kerosene through it after the first drain. It will help get the residual water out of it. Just my 2 cents. Later

The Wolf
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Old 06-08-2008, 09:12 PM
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Don`t be surprised if the same thing happens after the engine is broken in. Many a new engine will have condesation build up in a short span after break in. Many of my engines in the past did so, I removed the valve cover and milky colored oil was everywhere. After some miles were on the engine, the problem disappeared.
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Old 06-09-2008, 04:53 AM
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Lemme see, you have not fired the engine and the oil is milky? I wouldn't think there would be a milky look having only poured the oil with no run or other mixing. How much water came from this monsoon? Dunno, I'm wondering if you didn't start the motor and then realize the VC gasket wasn't on and maybe that water isn't from the rain. How much water could have gotten in the engine with the cover on???
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Old 06-09-2008, 06:52 PM
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It doesn't appear that too much got in but enough got in to turn the oil milky and therefore be concerned about. The water has to be from the rain becuase I haven't filled the rad. or block with coolant yet haha. I sha'll change all the oil and put another 7 quarts in and see how it looks then. Damn this is a costly mistake!!
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Old 06-09-2008, 06:59 PM
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water in oil

I would also leave the plug out overnight, but i would pour another quart of oil in the motor to make sure before filling it up again.
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