I have 3 Ford/ Navistar diesel F-250s.
1990 , 7.3 non-powerstroke, E4OD tranny, 3.73 gears
Truck has 451,000 miles on and has been just excellent. Never left me stranded. No engine work, ever, other than an injection pump.
1996 , 7.3 Powerstroke, 5 speed, 3.73 gears
Truck has 330,000...