Posted by spiffy1 on January 26, 2009 at 20:02:09 from (70.41.137.72):
In Reply to: Dish Soap vs. Grease posted by Steven f/AZ on January 23, 2009 at 20:12:00:
charles todd said: (quoted from post at 22:16:39 01/26/09) I have never replaced sleeves, but have used MANY o-rings. I usually use Lucas X-Tra Heavy Duty grease from the 14.5 oz tube (green grease). I know it is a premium grease (I have seen it on a test machine aginst Lubriplate and Mobil synthetic) and have had no adverse reactions with hydraulic oil.
Just curious. If the o-ring seals the (I am guessing wet sleeve) to the block, when you torque the head does it lock it in place? If it "swells" will it bulge into the water jacket or what? I am interested in this application of an o-ring. Is this a special o-ring? What tempatures are it subjected to? Is it in hot water or the combustion area?
Thanks,
Charles
As far as I know, nothing too funky for material. Perhaps Viton; no idea at all on the oringals.
They fit in the lower end of the sleeve [sealing the sleeve to the block] separating the water in the block and oil in the crankcase. So water temp would be a pretty good temp estimate; same with pressure [no contained pressure in this case].
The groove is in the block, and the sleeve [no groove] is a pretty close fit; so nowhere to go. In this case these were not molded continuous, so I was more concerned about any degradation [overswelling and retrating later etc.] that might cause it to leak at the seam.
This post was edited by spiffy1 at 20:05:12 01/26/09.
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