I always fill the groove with JB weld or red Loctite before installing a sleeve. Another trick is to put a spacer behind the seal before installing it, to move the lip to an unworn area of the snout. 1/16" should be plenty.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
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