F 150 4WD Pickup V8-4.6L SOHC VIN W (1998)
Piston: Specifications
GENERAL SPECIFICATIONS
Piston-Diameter
Coded Red 1 ...................................................................................................................................................... 90.177-90.197 mm (3.550-3.551 in.)
Coded Blue 2 ................................................................................................................................................. 90.190-90.210 mm (3.5507-3.5515 in.)
Coded Yellow 3 ............................................................................................................................................... 90.203-90.223 mm (3.513-3.5521 in.)
Piston to Bore Clearance .......................................................................................................................................... 0.012-0.0026 mm (0.0005-0.001 in.)
Pin Bore Diameter ............................................................................................................................................... 22.0015-22.004 mm (0.866-0.8663 in.)
Ring Groove Width
Compression (Top) .................................................................................................................................................. 1.520-1.550 mm (0.06-0.610 in.)
Compression (Bottom) ......................................................................................................................................... 1.520-1.530 mm (0.060-0.0602 in.)
Oil Ring ............................................................................................................................................................... 6.996-7.224 mm (0.275-0.2844 in.)
