Crown Victoria V8-4.6L SOHC VIN W (2005)
Piston Ring: Specifications
Piston ring end gap (top) .................................................................................................................................................. 0.15-0.30 mm (0.0059-0.0118 in)
Piston ring end gap (intermediate) ................................................................................................................................... 0.15-0.30 mm (0.0059-0.0118 in)
Piston ring end gap (oil control) ...................................................................................................................................... 0.15-0.30 mm (0.0059-0.0118 in)
Ring groove width (top) ............................................................................................................................................... 1.520-1.540 mm (0.0598-0.0606 in)
Ring groove width (intermediate) ............................................................................................................................... 1.520-1.540 mm (0.0598-0.0606 in)
Ring groove width (oil control) .................................................................................................................................... 3.03-3.055 mm (0.1193-0.1203 in)
Piston ring width (top) .............................................................................................................................................................................................. 1.5 mm
Piston ring width (intermediate) ................................................................................................................................................................................ 1.5 mm
Piston ring-to-groove clearance (top) ......................................................................................................................... 0.020-0.060 mm (0.0008-0.0024 in)
Piston ring-to-groove clearance (intermediate) ............................................................................................................ 0.020-0.060 mm (0.0008-0.0023 in)
Piston ring-to-groove clearance (oil control) ............................................................................................................... 0.030-0.070 mm (0.0012-0.0028 in)
