F 450 2WD Super Duty V8-5.4L SOHC VIN L (2003)
Piston Ring: Specifications
Piston ring end gap - top ........................................................................................................................................... 0.13 - 0.28 mm (0.0051 - 0.0110 inch)
Piston ring end gap - intermediate ............................................................................................................................. 0.25 - 0.40 mm (0.0098 - 0.0158 inch)
Piston ring end gap - oil control ................................................................................................................................ 0.15 - 0.65 mm (0.0059 - 0.0256 inch)
Piston ring groove width - top ................................................................................................................................... 1.53 - 1.55 mm (0.0602 - 0.0610 inch)
Piston ring groove width - intermediate .................................................................................................................... 1.52 - 1.54 mm (0.0598 - 0.0606 inch)
Piston ring groove width - oil control .................................................................................................................... 3.030 - 3.050 mm (0.1193 - 0.1201 inch)
Piston ring width ....................................................................................................................................................... 1.49 - 1.46 mm (0.0575 - 0.0587 inch)
Piston ring-to-groove clearance - top .................................................................................................................... 0.030 - 0.050 mm (0.0012 - 0.0020 inch)
Piston ring-to-groove clearance - intermediate ...................................................................................................... 0.030 - 0.080 mm (0.0012 - 0.0031 inch)
