Mountaineer AWD V6-4.0L VIN K Flex Fuel (2003)
Piston Ring: Specifications
Piston ring end gap-top ............................................................................................................................................. 0.200 - 0.450 mm (0.008 - 0.018 inch)
Piston ring end gap- bottom .......................................................................................................................................... 0.40 - 0.60 mm (0.015 - 0.024 inch)
Piston ring groove width -top .................................................................................................................................... 1.23 - 1.25 mm (0.0484 - 0.0492 inch)
Piston ring groove width -bottom .............................................................................................................................. 1.52 - 1.54 mm (0.0598 - 0.0606 inch)
Piston ring groove width -oil ring ............................................................................................................................. 3.01 - 3.03 mm (0.1185 - 0.1193 inch)
Piston ring width-top ............................................................................................................................................. 1.175 - 1.190 mm (0.0463 - 0.0469 inch)
Piston ring width -bottom ...................................................................................................................................... 1.475 - 1.490 mm (0.0581 - 0.0587 inch)
Piston ring-to-groove clearance-top .................................................................................................................. 0.040 - 0.075 mm (0.0016 - 0.0030 inch)
Piston ring-to-groove clearance-bottom ................................................................................................................ 0.030 - 0.065 mm (0.0012 - 0.0026 inch)
