I've got the 7.3, 40k on it without a drop of oil except from diff cover where they last guys didn't get a good clean seal.
One employee has the 6.0 and has had 3 or 4 oil leaks fixed plus some injector stuff early on.
I'm just glad I got the 7.3.
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Havasu Cig, I'm sorry to hear about your bad luck with it...and as you can see from other posts it isn't just Ford. It can happen to any brand, regardless of how cheap or expensive a vehicle. I can tell you from experience that most manufacturers will take their time to complete such a repurchase, especially if you are leaving the brand but normally will get it done. What I've seen is there are so many hands that have to touch/approve and pass along the papers its a red tape issue.
And I applaud you for recognizing that its not the dealers fault, most are trying hard to work with you.
Dragging your vehicle around dealerships with lemons on it or some shit like that is doing nothing towards the "maker" of the vehicle but rather hurting a hard working local businessperson.