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marshall302

  • Karma: +0/-0
water in oil in bbf 460 checkmate jet mate
« on: June 02, 2011, 05:35:06 PM »
ok i just bought the boat and found out that water is getting in the oil some how. ive already replaced the exhaust its the kind that go through the hull. the guy i bought it from said that could be it but no luck. ive already toar the heads off and about to put new head gaskets and intake gaskets. let me know if you think it could be something else thanks kenny
« Last Edit: June 02, 2011, 05:38:24 PM by marshall302 »
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marshall302

  • Karma: +0/-0
Re: water in oil in bbf 460 checkmate jet mate
« Reply #1 on: June 02, 2011, 05:57:45 PM »
i found out that the valve that goes to the berklley pump was shut so how did water get in the oil if the valve was closed . the only place i can think of is from the exhaust seeping in from the back through the flaps let me know what you think thanks kenny
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76NORDIC

  • Karma: +23/-0
Re: water in oil in bbf 460 checkmate jet mate
« Reply #2 on: June 02, 2011, 06:31:41 PM »
pics would be a big help
  • Boat #1: 76 Nordic BBF 460 Jet
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The definition of insanity: Doing the same thing over and over again, and expecting different results.....Einstein

I refuse to call people an ass anymore. It insults hard working donkeys worldwide!

IRRebel

  • Karma: +16/-0
Re: water in oil in bbf 460 checkmate jet mate
« Reply #3 on: June 02, 2011, 06:46:10 PM »
i found out that the valve that goes to the berklley pump was shut so how did water get in the oil if the valve was closed . the only place i can think of is from the exhaust seeping in from the back through the flaps let me know what you think thanks kenny

Find that hard to beleive, but how much damage was done to the engine running it with that valve closed? Means no cooling water to the engine at all, let alone to the snails and exhaust or anywhere else.  :screwy:

Typically, I have found that most Ford milkshake issues start at intake manifold gaskets, Particularly, the "bathtub" style gaskets (Don't use 'em, use the marine gaskets, gaskacinch around the water ports and a bead of clear silicone at the ends of the block). Have seen it from the timing cover or water pump blockoff plates leaking as well, same thing, use gaskacinch. Done it twice myself.  ;)

Once in a while, happened to me also, reversion can be an issue, but this would be the first time I ever heard of it with logs, and probably not a hot cam that is usually the culprit.

Ray
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"Life's journey is not to arrive at the grave safely in a well preserved body, but rather to skid in sideways totally worn out shouting 'Holy Shit what a ride!"---Crewcheif22 AKA Keith

marshall302

  • Karma: +0/-0
Re: water in oil in bbf 460 checkmate jet mate
« Reply #4 on: June 02, 2011, 07:02:37 PM »
i only backed it up in the water and cranked it for a couple of mins to see how it acted. where can you get the marine gaskets
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IRRebel

  • Karma: +16/-0
Re: water in oil in bbf 460 checkmate jet mate
« Reply #5 on: June 02, 2011, 07:05:17 PM »
Last Set I ordered from the local AutoZone, was next day, but you can getb them from Summit, Jeg's, anywhere really, but call, don't try to online order them.

Ray
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"Life's journey is not to arrive at the grave safely in a well preserved body, but rather to skid in sideways totally worn out shouting 'Holy Shit what a ride!"---Crewcheif22 AKA Keith

marshall302

  • Karma: +0/-0
Re: water in oil in bbf 460 checkmate jet mate
« Reply #6 on: June 02, 2011, 07:27:13 PM »
i tried to put some pics up but it wont let me upload them. ill let yall no if new gaskets fixes the problem or not
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76NORDIC

  • Karma: +23/-0
Re: water in oil in bbf 460 checkmate jet mate
« Reply #7 on: June 02, 2011, 08:17:56 PM »
You gotta find the prob tho, like Ray said hard to believe the water valve was closed from the pump, woulda fried alot. :thumbdown: Iffen you keep running it with water in the oil, NOT a good thing :thumbdown: :thumbdown:
  • Boat #1: 76 Nordic BBF 460 Jet
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The definition of insanity: Doing the same thing over and over again, and expecting different results.....Einstein

I refuse to call people an ass anymore. It insults hard working donkeys worldwide!

Your Mom

  • Karma: +20/-0
Re: water in oil in bbf 460 checkmate jet mate
« Reply #8 on: June 03, 2011, 07:10:02 AM »
Take your logs off and give them a pressure check....

electrowoman

  • Karma: +1/-0
Re: water in oil in bbf 460 checkmate jet mate
« Reply #9 on: June 04, 2011, 06:23:46 AM »
I've been running 460 jets since 1977.  I agree with the other post, pressure test your logs.  They seem to be the weak link
in the water area. 

 If you had the bath tub intake gasket (hard to believe) that would be my second spot.

Third would be make sure your timing chain cover isn't eaten through somewhere and leaking in the crank case.   
I'm guessing the logs though. 

 If it were the timing chain it would probably lead to a lot of water.

Intake and logs can seep for quite a while.

When you say you changed the exhaust gasket you do mean the riser (round one) right?  If so were the flanges
clean and FLAT?

The other question is where was the boat last winter.....  you know where that's going.

Good luck, and remember to look for brown areas in the gaskets you took off.

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marshall302

  • Karma: +0/-0
Re: water in oil in bbf 460 checkmate jet mate
« Reply #10 on: June 04, 2011, 06:44:07 AM »
i replaced the logs but i did buy them on ebay i guess it still could be the problem. i dont know much about how the logs work. i know the water goes through them to heat up before the water goes in the engine thats it. im going to pressure test the old ones to find out
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marshall302

  • Karma: +0/-0
Re: water in oil in bbf 460 checkmate jet mate
« Reply #11 on: June 04, 2011, 06:54:00 AM »
when i took off the intake the gaskets looked fine but i could wrong. the head gaskets were the original so couldnt really tell much there. ive been looking for crackes in the block and heads and dont see any but i know that a crack still could be somewhere.
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marshall302

  • Karma: +0/-0
Re: water in oil in bbf 460 checkmate jet mate
« Reply #12 on: June 05, 2011, 02:01:06 PM »
i took the water pump plate off today and i think i found the problem.  the timing chain cover has a hole at the top right side behind the water pump plate. where the oil stick goes through  the timing cover behind the plate had oil in the hole so i feel a little better about the engine and heads. im trying to put pics up but it keeps saying the file is to big but its not
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