2005 6.0 4x4 Dually Nothing But Problems, Egt Twice Headgaskets, Head Studs, Transmission , Now Fuel In Radiator Its In Shop Now They Say 2 New Heads Will Fix It, 48,000 Miles. Re Building Trans With Suncoast Billett Converter,extream Duty Rebuild Kit, Deep Pan And Reverse Snap Ring Kit. My First Psd And Ithasent Been A Good Time. Ford Voided My Warrenty Because Of Air Raid, Superchip, Big Wheels, But This Time They Said They Would Cover It Only If The Used Stock Head Bolts, They Took Out The Stud Kit. Well I Will See What Happens Should Get Truck Back Tomorro They Have Only Had It A Month And A Week