Good to hear "C", something I was going to suggest is: sometimes when you heat and cool something a couple of times it actually shrinks and does not resume the exact size it was new. What we used to do at the Navy yard was freeze the already small piece (using dry ice or a freeze coupling) this is a wrap that has a liquid in it that is cooled by a machine. We would wrap these around pipe that we couldn't drain. It will freeze hyd oil solid. We would freeze the piece and then install it in the hole looose and then put heat to it and from being froze and then heated it would swell and seal and normally not leak again.
But anyway glad to hear you got it.
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