So I knew I was going to dive into the fuel system so I started rounding up the parts.
I pulled the injection pump and sent it to my local Stanadyne dealer/service shop for a rebuild. Updated with ULSD parts for long life with todays fuel.
Now for 1982 6.2 diesels, they have one year only coarse threaded injectors which are getting a little harder to come by these days. Luckily my local shop can still get parts to rebuild them and even had a set on hand so I snatched them up. Sounded like he was happy to get them off the shelf lol.