12 Valve Engine and Drivetrain Talk about the 12V engine and drivetrain here. This is for 1994-1998.5 engine and drivetrain discussion only.

oring placement in head gasket

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Old Jan 2, 2009 | 11:36 PM
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oring placement in head gasket

After searching, I only found one reference to the oring placement in a stock head gasket. (and I question it)

It said to center the oring groove in the middle of the fire ring in the stock gasket.

I dont have a problem with that if its how everyone does it. I would just like conformation of that.


I thought I would find that the oring groove and wire was suppose to be just outside the oem head gasket fire ring and bite into the gasket material instead of the metal firering. I thought the oring was to support the gasket firering. It seems that placing the oring directly on the firering would elevate the head off the rest of teh gasket. Atleast to some extent since the gasket would be about .010 taller at the point of the wire. With it meeting the firering I doubt that it would have much give, and therefore seem to think that if the oring was just outside the gasketed firering that it would go into the fiber portion of the gasket to lend support to the firering, instead of trying to bite into the firering itself?


Input?
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Old Jan 8, 2009 | 12:02 PM
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ttt, and does anyone have the part number for the std head gasket and the .010 gasket?
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Old Jan 8, 2009 | 09:26 PM
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It needs to bite into the steel fire ring, thats why it takes so many retorques/heat cycles to get it seated in right.
Don't remember the #s off hand, sorry
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