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Old 16 October 2006, 15:28   #11
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Originally Posted by ian parkes View Post

Forget the araldite business the head will run ok as it is .
Pretty much.

It's worth gently dressing any sharp points though-it stops hotspots and preignition.
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Old 16 October 2006, 16:23   #12
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Just thinkin

is it possible to look into the exhaust port , at the side of the piston , you would be able to see the rings if you could get a look . I have no idea of the engine layout or position etc .

Could also do a leak test on each cylinder with the head off that will show a piston ring up .

Just thinking of ways to find out without putting the thing back together and being disapointed .
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Old 16 October 2006, 17:08   #13
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Quote:
Originally Posted by jwalker View Post
Cod, tell us why you would want to do that.
That will teach me to pay attention - didn't look properly - was thinking of cylinder heads - NOT combustions chambers - wouldn't last long in there!!!
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Old 16 October 2006, 17:16   #14
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Country: UK - England
Town: The wilds of Wiltshire
Boat name: WhiteNoise/Dominator
Make: Ballistic 7.8/SR5.4
Length: 7m +
Engine: Opti 225/Yam 85
MMSI: 235090687/235055163
Join Date: Jul 2005
Posts: 12,645
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Quote:
Originally Posted by ian parkes View Post
is it possible to look into the exhaust port , at the side of the piston , you would be able to see the rings if you could get a look . I have no idea of the engine layout or position etc .

Could also do a leak test on each cylinder with the head off that will show a piston ring up .

Just thinking of ways to find out without putting the thing back together and being disapointed .
Leak test is probably favourite-I can't see it being too easy to get the exhaust cover plate off. Salt water and hot gas

If the original headgasket is in one piece it'll probably be enough to reassemble for a compression test as long as all the other plugs were out. At least it'd save on buying a new one if the engine is fubar.
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