I would have stolen an old school trick used on Connecting rods, and polished out those casting striations on the upgraded 489 caps.
With the OP's initial failure of ring broken teeth, it would matter little in the final outcome once a broken tooth gets wedged between the R&P however since something has to give/break.
Breaking on a by run? bawling


MW 2-76 Auburn.jpgIMG_6124-Alum-Housings-web.jpgIMG_1069.JPG
Last edited by jcc; 08/25/23 01:02 PM.
Reality check, that half the population is smarter then 50% of the people and it's a constantly contested fact.