F 250 2WD Super Duty V8-5.4L (2008)
Piston: Specifications
Piston
Diameter (at right angle to pin bore)
Grade 1 ........................................................................................................................................................ 90.175-90.165 mm (3.5502-3.5498 inch)
Grade 2 ........................................................................................................................................................ 90.185-90.175 mm (3.5506-3.5502 inch)
Grade 3 ........................................................................................................................................................ 90.195-90.185 mm (3.5510-3.5506 inch)
Piston-to-cylinder bore clearance (at grade size) .................................................................................................. 0.025-0.045 mm (0.0010-0.0018 inch)
Ring groove width
Top ........................................................................................................................................................................... 1.52-1.55 mm (0.0598-0.0610 in
Intermediate ........................................................................................................................................................ 1.52-1.54 mm (0.0598-0.0606 inch)
Oil control ....................................................................................................................................................... 3.030-3.050 mm (0.1193-0.1201 inch)
Pin
Bore diameter .............................................................................................................................................. 22.008-22.014 mm (0.8665-0.8667 inch)
Pin diameter ............................................................................................................................................ 22.0010-22.0030 mm (0.8662-0.8663 inch)
Pin length ................................................................................................................................................................................... 61.8 mm (2.433 inch)
Pin-to-piston fit ............................................................................................................................................. 0.005-0.0130 mm (0.0002-0.0005 inch)
