Conversation Between olfordsnstone and Hallettjs7957

I was told I need to ask you what symptoms you experienced prior to replacing your heads on your 6.0. Diesel Dan thinks highly of your expertise on the 6.0. If you could, please take a look over my post and give me some advise of how I can diagnose the issue. Here is my original post:

https://www.ford-trucks.com/forums/1...eshooting.html