All things being equal, the biggest problems that you face will be: 1) keeping the journal true and round. Be sure when you plastigage, you check several points around the journal to be sure it is sufficiently round. 2) GRIT!!! Be sure to plug the oil hole in the crank. Stray grit will not only damage the replacement bearing, but will also damage the other bearings if it gets around. IMMACULATE CLEANING is the LAW!!! Be sure to use an abrasive that does not shed excessive grit. 3) Finish. Be sure to end up with a good finish on the journal. Using a coarse abrasive to remove the old bearing material could leave a finish on the journal that is too rough. Be sure to polish with a very fine grit like a 1200 or so. 4) Find out the reason that the bearing spun. Under normal operating conditions, rod bearings simply do not spin for no reason. You may want to poke out the oil feed hole back to the main bearing that feeds that rod to make sure it is open. 5) BTW, a wet abrasive will cut better and more evenly than dry and have less of a tendency to "dig in" to the crank.
Just a few thoughts from an old retired engine/transmission rebuilder
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Today's Featured Article - Gettin My Old Tractor Home - by Clayton Sweeney. My name is Clayton Sweeney. I am from Southern Maryland in a small town called Lothian. I am 20 and my father and I are the proud owner of a 1954 Allis Chalmers WD-45. When I was 18, I dated a girl in the next county over. Her family are tobacco farmers. It was a cold Thanksgiving evening, and we were going up to her Grandparents house. As we passed one of their barns, I noticed something orange in the corner of my eye in this old shed. It was pretty dark and I asked what it was
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