DeVille d Elegance V8-4.6L VIN Y (1998)
Piston Ring: Specifications
Side Clearance
Top and Second Compression Ring ................................................................................................................ 0.040-0.095 mm (0.0016-0.0037 inch)
Oil Rings ...................................................................................................................................................................................... None - Side Sealing
Ring End Gap
Top Compression Ring ........................................................................................................................................... 0.25-0.40 mm (0.010-0.016 inch)
Second Compression Ring ...................................................................................................................................... 0.35-0.50 mm (0.014-0.020 inch)
Oil Rings ................................................................................................................................................................. 0.25-0.76 mm (0.010-0.030 inch)
Number of Compression Rings ........................................................................................................................................................................................ 2
Number of Oil Rings ........................................................................................................................................................................ 2 Rings - 1 Expander
Width of Compression Ring Groove
Top Ring ............................................................................................................................................................. 1.230-1.255 mm (0.048-0.049 inch)
Second Ring ........................................................................................................................................................ 1.530-1.555 mm (0.060-0.061 inch)
Oil Ring ............................................................................................................................................................... 3.030-3.055 mm (0.119-0.120 inch)
