A friend had a 6.0 Ford F-250 for a bit less than 2 years and then traded for a Ram. His 6.0 seemed like it was always in the shop. After he traded he figured up just how many days his 6.0 had been in the shop and it turned out the Ford dealer had it more days than he did.
His brother in law who we camped with some also had a 6.0 F-250 for a couple of years. He was constantly bragging how much power and how great his 6.0 was. However seemed like every time we were going camping he couldn't go because his truck was in the shop.