People who grew up shim-adjusting the oil clearance on Babbit bearing rods and mains aren't quite as persnickety as the young sprouts who have never had that kind of experience. Precision-fit bearings are a luxury, not a necessity.
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!