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milky oil under valve covers..compression test

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Old 04-02-2010, 06:06 PM
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Originally Posted by 35fountain
I won't know if my problem is fixed until I go for a ride..When I first got my boat it had PCV's.. I removed them and ran 2 hoses from the valve cover to the arrester's..Now I put back the pcv's..Everything else checks out.. I never had milky oil on my dipstick, only under the valve covers
Did you change anything...The Hp500 has a pcv at the base of the intake behind the carb.Does yours have pcv's ??..Did they remove your heads? to change the springs..Head gasket ??
Hey, I just noticed you are in NY. Where at? I am in NY right now and would gladly figure out what your problem is for a boat ride up here. Cool place. I am on LI right now. Be here for a couple days.
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Old 04-02-2010, 06:11 PM
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Originally Posted by blue thunder
It should be the sandwich style that is between the filter and the pad.
BT

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Old 04-02-2010, 06:35 PM
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Originally Posted by offthefront
can you buy the tstats at different temps
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Old 04-02-2010, 07:38 PM
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I would just change the stat...It maybe getting stuck in a slightly open position allowing constant flow to the cooler..and keeping you temps at 190

I believe the part number is Merc # 816163
Last edited by 35fountain; 04-02-2010 at 07:43 PM.
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Old 04-02-2010, 08:11 PM
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Originally Posted by jeff1000man
Hey, I just noticed you are in NY. Where at? I am in NY right now and would gladly figure out what your problem is for a boat ride up here. Cool place. I am on LI right now. Be here for a couple days.
He's not answering you. What's up with that? LOL... The weather is great here up north.
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Old 04-02-2010, 08:13 PM
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Originally Posted by jeff1000man
Hey, I just noticed you are in NY. Where at? I am in NY right now and would gladly figure out what your problem is for a boat ride up here. Cool place. I am on LI right now. Be here for a couple days.
Hey sounds great but boat is still in garage...
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Old 04-02-2010, 08:27 PM
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Have you tested it since replacing the manifolds?

If not I wouldn't check anything else until you go for a test run. You might be worrying for nothing.

Lastly, what heads are you running and how old are they?
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Old 04-02-2010, 09:16 PM
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Originally Posted by Panther
Have you tested it since replacing the manifolds?

If not I wouldn't check anything else until you go for a test run. You might be worrying for nothing.

Lastly, what heads are you running and how old are they?
I haven't tested it yet...another couple of weeks..You maybe right..about worrying for nothing... I don't know how old they are..400 hours since the engines were built through the old owner
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Old 04-02-2010, 09:27 PM
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Originally Posted by 35fountain
I won't know if my problem is fixed until I go for a ride..When I first got my boat it had PCV's.. I removed them and ran 2 hoses from the valve cover to the arrester's..Now I put back the pcv's..Everything else checks out.. I never had milky oil on my dipstick, only under the valve covers
Did you change anything...The Hp500 has a pcv at the base of the intake behind the carb.Does yours have pcv's ??..Did they remove your heads? to change the springs..Head gasket ??
They removed the heads and had them cut and put new head gaskets on. Nothing else was changed.
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Old 04-02-2010, 09:33 PM
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What was the compression test #'s... Were they all the same give or take a few..Were there 2 cylinders next to eachother with lower numbers than the rest?
Could also be wrong head gaskets
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