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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [xj-s] More Valve Seat Retention Ideas
On Mon, 29 Jun 1998, Kirbert wrote: > > From: John Napoli <jgn@li.net> > > 2. Doesn't Loctite have some amazing, never-gonna-come-off-ever goo? > > Maybe add this to the equation? > > I was thinking about that Marine Tex again. What temp is the stuff > good for? If it sounds like it's good for what this seat is likely > to see, perhaps the thing to do would be to cut a groove around the > OD of the recess in the head at the bottom. Then, just before > pressing the seat in, fill the groove with some Marine Tex. As the I don't recall the temp range of the stuff (it is supposed to be compatible with engine temps, but I would expect that to mean operating temps and not combustion chamber temps). Go down to a local marina and check out the package. I suppose that it would work, but I would worry that Marine Tex is not up to the pounding that it would receive if used as you describe. I also don't know what the tensile strength is of its bond to the metal. Marine Tex is very good at patching and filling but my gut feel is that this would be too extreme for it. A Loctite-type product should be better. Of course the key is to go with the best set of tolerances seat-to-head. John Follow-Ups:
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