connecting rod bearing size?

That's the weird part, oil pressure was 20-25 at idle and 60+ at speed. Never seemed to have oiling issues. I know that it was ran lean a few times when I was dialing in the timing but, not for long periods of time. Just enough to see if it would ping as I advanced the distributor. Either way....This project will be on hold till after Santa gets here. I will do as you guys suggested with the crank and rods. If I buy new will they still have to go to the machine shop or will they be good out of the box? What do I check for on "new rods"?