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Proxy
 
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Default Blown head gasket or what...?

After thorough analysys I came to the following conclusions:
The leak may occur in these areas:
-water pump seal (this is Cobra and I have no detailed info about it, I need
to study it in depth, but it seems least likely)
-head gasket leak (checked and eliminated)
-cracked block (inspected it and haven't noticed anything unusual, still
need to do it again in depth, for now I see it as unlikely cause)
-leaking intake seal (even though I checked it and did not notice anything
suspect it seems to be the most likely reason considering the amount of
water)
-raiser leak (strangely the engine never stalled which would indicate
raiser/manifold issue, the other reason it is less likely is that there is
so much water getting into the crankcase that I wonder how would it be
possible for the cylinder with a healthy head gasket to pass water into the
crankcase - if not through the valves (unlikely) then how? the only answer
would be a cracked block).

Don't know if this is correct but I'm down to either cracked block ot intake
gasket. Considering, the engine ran fine and there are no indications of any
cracks... it looks like the intake dripping straight into the valley and
from there directly into the crankcase, looks quite logical. So what do you
guys think?



"Proxy" wrote in message
e.rogers.com...
OK, guys here is the scoop. I took the head off on the even side that was
suspected of water leak. Head gasket in perfect condition, same with

intake
manifold, both sides. Cylinders inside OK no issue, no rust, scuffs or
anything suspect. There are rust residues on the top of the cylinder

(inside
the head) and valves are quite rusty. No. 4 has most rust although as I

said
cylinder walls are OK, no rust.
Seemes like compression test did not lie and the undertaking so far has
rendered zero results. It was simply unnecessary. There has to be another
point of water entry. I'm not even thinking about takeing the other head

off
as compression was perfect on all cylinders.
I've redone raisers last year (new gaskets, throughly cleaned, refinished
contact surfaces) but maybe I'd have to do it again. Still looking for
ideas.... Any input appreciated.



"Mikkilla" wrote in message
...

1.) have you checked the oil. if you have a blown head gasket you will

end
up
with water in the oil see if its milky in color on the dip stick.
2.) Your impeller might not be up to par to keep the engine cool. What

was
the
engine temp?
3.) was the water coming out at a study flow from the exhaust or was it

all
steam and not water or very little?
4.) the water "spray" you got if a very good chance it came from the

water
that
got in to a uncovered Carb. Careful there you might have something

rusted
up in
the intake area.