Run as is, that’s good to hear. Rust spots have to be from a bearing sitting for awhile. Machinist gave me a lead to a guy who might do some build up (via welding???). Will check him out in a day or two and see what others say here too.
Matthew 6:33
1952 Chevy 1/2-ton 3100 Late '55 235/SM420/torque tube 3.55 Dalton Highway survivor (using original 216) www.truckwithaheart.com