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Old 11-25-2018, 07:59 PM   #21
J and M Machine
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Default Re: Water in my engine oil. Where could it come from ?

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Originally Posted by ursus View Post
I have just the valve chamber cracks depicted by J & M Machine. A machinist said that these would be problematic for pinning as he would be drilling into the cylinder. Since there is no water pressure, could the problem possibly be fixed with the newer block sealer products such the Fiber-Lock stuff made by K & L?
Ursus: Actually we repair these with metal stitching. The crack goes around the cylinder so no need to drill into it. In order for the stop leak products to work the crack has to stop traveling.
http://www.jandm-machine.com/metalStitching.html
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Old 11-26-2018, 02:35 AM   #22
wkuehnis
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Default Re: Water in my engine oil. Where could it come from ?

Hi,

thanks for all the suggestions. I will do the followingjobs now:

- make the compression tests
- visually check the valve chambers from the outside for cracks
- remove the head and check for cracks, replace the head gasket
- apply something like "Chemiweld " or "Fiber-Lock" to be sure

Willi
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Old 11-28-2018, 12:06 AM   #23
wkuehnis
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Default Re: Water in my engine oil. Where could it come from ?

Hi, now I found a crack:
On the right side of the engine, behind the valve chamber,
in the middle at the top, right behind the distributer shaft.
When I press air into the water passage, then there air comes out, when I lubriacte it with a spray, then it blubbers out.

I will now give a try to something like "Chemiweld" or "Fiber-Lock". I hope, it will work,
else I have to remove the whole engine and try to weld it, But I don't know, if it is possible to make it stress-free.

Else: A new engine ? But how much does it cost ? does anybody know something ? I think,transportation costs to here to switzerland would cost a lot.

Willi
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Old 11-28-2018, 08:45 AM   #24
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Default Re: Water in my engine oil. Where could it come from ?

If you can get clear access to the crack, I would rough it up with a Dremel tool and JB weld it. Then use some sealer in the coolant. JB can do some amazing things, however it Must be prepped and very clean first.
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Old 11-28-2018, 09:40 AM   #25
J and M Machine
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Default Re: Water in my engine oil. Where could it come from ?

Quote:
Originally Posted by wkuehnis View Post
Hi, now I found a crack:
On the right side of the engine, behind the valve chamber,
in the middle at the top, right behind the distributer shaft.
When I press air into the water passage, then there air comes out, when I lubriacte it with a spray, then it blubbers out.

I will now give a try to something like "Chemiweld" or "Fiber-Lock". I hope, it will work,
else I have to remove the whole engine and try to weld it, But I don't know, if it is possible to make it stress-free.

Else: A new engine ? But how much does it cost ? does anybody know something ? I think,transportation costs to here to switzerland would cost a lot.

Willi
Welding the block will damage it permanently. Your best chance will be to add the block sealer as others have mentioned.
It's a common area to crack that's why I posted the picture.
it can be repaired but not by welding it.
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Old 11-28-2018, 02:27 PM   #26
steve s
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Default Re: Water in my engine oil. Where could it come from ?

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Originally Posted by Tom Wesenberg View Post
Also can be condensation build up from cold starts and short drives.
especially. without a thermostat!
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