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Old 12-22-2013, 10:37 PM   #11
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Good you're on the right track.

Question: does the system have a coolant recovery bottle (overflow bottle)? Just like your car does.

If not every time you run the engine some coolant will be lost into the bildge as it expands with heat. Eventually the system will get low.

My wifes car used overheat once and a while until the head gasket went and the heads warped. After rebuilding the heads the problem went away.
Just wondering is loss of coolant resulted in failed gaskets. these can act flacky at first until they final give out resulting in water in the cylinders and oil, ...

At this point I recommend putting the engine back together and replace the impreller. Then see how it runs checking the temps as I have said before with the IR gun, ~$50 US

Good luck and keep us posted on progress
There is a owerflow bottle. But earlier when the system leaked it as soon it got pressurized leaked from a bad clamp at a hose.
When the head gasket got blown it was between two cylinders, and that made a hell of a noise, I actually though the engine was just crap and had too be changed.

I'm going to buy a it gun, I'd like not too have to rebuilt the engine once more in a while now.
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Old 12-22-2013, 11:34 PM   #12
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Hey Fippe, got any pictures to post of the project. Several folks have gone through a similar issues this year, except open cooling system. All recovered after fixing heads and reassembling.

As of now it sounds like a bad clamp started this spiral into blown gaskets. Hate when a $5 part cost some trouble.
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Old 12-23-2013, 08:25 AM   #13
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Hey Fippe, got any pictures to post of the project. Several folks have gone through a similar issues this year, except open cooling system. All recovered after fixing heads and reassembling.

As of now it sounds like a bad clamp started this spiral into blown gaskets. Hate when a $5 part cost some trouble.
I can post some pics of the ongoing project later today.
Haven't it been for all of the other things that leaked such as engine oil power steering fluid and the lovely liquid from the waste tank I have probably notice that it leaked coolant earlier,
But after I fix all the things one by one I noticed that I also was leaking coolant.

I think you're right that it was just a bad clamp that made spend a whole lot of money in this engine,
But hopefully I will have a engine that works very well next season.
I hade a miner issue that she only Made it up to 33kn and the compression test shown a bit of a difference between the cylinders, if I'm lucky she might reach 40
Now when everything probably is fixed.
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Old 12-23-2013, 12:20 PM   #14
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What were the compression measurements from each cylinder? A healthy engine should get between 150 - 160 ft pounds or ~ 200 - 220 N m.
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Old 12-23-2013, 12:43 PM   #15
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What were the compression measurements from each cylinder? A healthy engine should get between 150 - 160 ft pounds or ~ 200 - 220 N m.
The measuring was trough the spark-plug hole.

Cylinder 1, 167 psi
2, 190 psi
3, 50 psi
4, 170 psi
5, 40 psi
6, 163 psi
7, 170 psi
8, 165 psi

This compression test was done with a simple tester so the values might not be accurate,
But the difference between the cylinders is correct.
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Old 12-23-2013, 12:58 PM   #16
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So other than 3 and 5 the rest of the engine is healthy. 3 and 5 are adjacent cylinder and you said the gasket was blown between them.

I think you will have a good engine once put back together.
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Old 12-23-2013, 01:14 PM   #17
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this is how the engine sounded when the headgasket was blown.[video=youtube;2K6Pr0t4cO4]
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File Type: jpg IMG_2003[1].jpg (31.8 KB, 4 views)
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Old 12-23-2013, 01:26 PM   #18
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Yp that's because 1 cylinder is trying to compress but blows into the adjacent which has a valve open and the pressure blows out through there. I don't expect any issues from this.
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Old 12-23-2013, 01:28 PM   #19
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So other than 3 and 5 the rest of the engine is healthy. 3 and 5 are adjacent cylinder and you said the gasket was blown between them.

I think you will have a good engine once put back together.
I thought it was a little to big difference between the highest and lowest "healthy" cylinder.
I've heard that it shouldn't be more than a 10% difference.
Hopefully the two lowest at 163 and 165 was the two with crocked valves.
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Old 12-23-2013, 01:35 PM   #20
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agree that 10% difference is the correct target, however 163 and 165 are very good numbers.I would question the validity of the higher numbers.

Did you pull both heads?
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