Ditto for putting bronze liners in guides to recondition them. I've got all the tooling to do that, but the sleeves are getting a little hard to find. Knurling was never high on my priority list because it had a tendency to be a short term fix. The nice thing about sleeves is they can be replaced in the unlikely event they get worn.
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
Love your enemies and drive 'em nuts!