I stumbled across one of the most comprehensive 7.3 Diesel websites I've ever seen, thought I'd share.
"Here are articles detailing some of the most common 7.3 Powerstroke problems, how to spot them, and how-to articles on fixing them.
Including tools required, part numbers, and torque specs..."
It's really well done, pictures, video, part numbers and links, along with commentary style sensible troubleshooting guides written from the advanced DYI repairers perspective.
https://deadheaddiesel.com/7.3-powerstroke-problems/