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cri_ag
Regular


Location:
northern beaches
Registered:
August 2002
o-ring and non copper head gasket? Tue, 26 July 2005 10:42 Go to next message
recently i brought a 4age bottom end and to my suprise when i removed the old head gasket it had on it i found what im 98% sure is o-ringing Smile but what i want to know now is can i still use a standard type head gasket? or do i need a copper one ( the reason i ask is because i have only ever heard of o-ringing being used in conjunction with a copper gasket).
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Stenno
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Location:
Sydney
Registered:
March 2003
 
Re: o-ring and non copper head gasket? Tue, 26 July 2005 11:42 Go to previous messageGo to next message
cri_ag wrote on Tue, 26 July 2005 20:42

recently i brought a 4age bottom end and to my suprise when i removed the old head gasket it had on it i found what im 98% sure is o-ringing Smile but what i want to know now is can i still use a standard type head gasket? or do i need a copper one ( the reason i ask is because i have only ever heard of o-ringing being used in conjunction with a copper gasket).


Yes it can be done, but usually the o-ring itself is smaller in diameter so there is less 'crush' on the gasket.
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jeffro RA28
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Location:
Tamworth
Registered:
August 2004
Re: o-ring and non copper head gasket? Tue, 26 July 2005 11:51 Go to previous messageGo to next message
O-ringing is not usually used with non copper gaskets. In some special cases they use composite gaskets. It can be done tho.
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allencr
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Location:
tallahassee FL usOFa
Registered:
May 2002
Re: o-ring and non copper head gasket? Tue, 26 July 2005 21:47 Go to previous messageGo to next message
98%? it either is, or isn't.
what is the surface of the head & block like????
and what was in the groove, if anything?
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cri_ag
Regular


Location:
northern beaches
Registered:
August 2002
Re: o-ring and non copper head gasket? Wed, 27 July 2005 06:22 Go to previous messageGo to next message
allencr wrote on Wed, 27 July 2005 07:47

98%? it either is, or isn't.
what is the surface of the head & block like????
and what was in the groove, if anything?


oh well put it this way. im fu*ked if i know what it is if its not o-ringing!

the old gasket looks to be of a standard type, and there are definatley inpressions (from the o-ringing) in the metal inserts that seal the cylinders.
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cri_ag
Regular


Location:
northern beaches
Registered:
August 2002
Re: o-ring and non copper head gasket? Wed, 27 July 2005 06:51 Go to previous message
in the grove is a thin copper wire
the surface of the block seems to have swirl machining marks
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