I repair worn distributors by putting a Torrington needle bearing into the housing and pressing a hard steel sleeve onto the shaft that is an extremely close fit to the needle bearing. When I'm done there's less than .001" wobble between the shaft and the housing.
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!