Town Car V8-4.6L VIN V Flex Fuel (2006)
Piston Ring: Specifications
Piston ring end gap
Top........................................................................................................................................................................ 0.15-0.30 mm (0.0059-0.0118 inch)
Intermediate.......................................................................................................................................................... 0.15-0.30 mm (0.0059-0.0118 inch)
Oil control............................................................................................................................................................. 0.15-0.30 mm (0.0059-0.0118 inch)
Ring groove width
Top.................................................................................................................................................................... 1.520-1.540 mm (0.0598-0.0606 inch)
Intermediate...................................................................................................................................................... 1.520-1.540 mm (0.0598-0.0606 inch)
Oil control........................................................................................................................................................... 3.03-3.055 mm (0.1193-0.1203 inch)
Ring width
Top.................................................................................................................................................................................................. 1.5 mm (0.05 inch)
Intermediate..................................................................................................................................................................................... 1.5 mm (0.05 inch)
Ring-to-groove clearance
Top.................................................................................................................................................................... 0.020-0.060 mm (0.0008-0.0024 inch)
Intermediate...................................................................................................................................................... 0.020-0.060 mm (0.0008-0.0023 inch)
Oil control......................................................................................................................................................... 0.030-0.070 mm (0.0012-0.0028 inch)
