Free: Contests & Raffles.
I know they primarily had head stud and gasket issues along with egr issues and some with electrical issues.
Our ambulance fleet runs 6 liters and I would not buy one to save my life. We have had nothing but problems. I know there are a few good ones out there, but I have yet to see one. Now the new engine ford has out appears to be a power house. Good Luck...Oh, and don't buy the 6 liter.