Originally Posted by Coronet 500
Any bearing will fatigue and become brittle after time and many heat cycles, rod bearings take more abuse than main or cam bearings. You could measure or plastigage them and if ok reuse in a totally stock engine. With the performance modifications your planning I think it wise and good insurance to replace with new.
It depends what you want out of the motor. First of all why did you change the rings. If I went that far into the motor I would have blown the whole thing apart and checked the cylinder bores. Changing the rings without honing the cylinders doesn't make any sense. Sorry