Cutlass L4-138 2.3L VIN A FI HP (1990)
Piston Ring: Specifications
Pistons, Pins & Rings
Compression Ring Width (Both) .................................................................................................................... 1.450 mm - 1.480 mm (0.05708" - 0.05827")
Compression Ring Gap (Top) ................................................................................................................................. 0.35 mm - 0.60 mm (0.0138" - 0.0236")
Compression Ring Gap (2nd Ring) ......................................................................................................................... 0.40 mm - 0.65 mm (0.0157" - 0.0256")
Compression Ring Side Clearance in Groove
Top Ring ............................................................................................................................................................. 0.070 mm - 0.120 mm (0.0027" - 0.0047")
Second Ring .................................................................................................................................................... 0.040 mm - 0.080 mm (0.00157" - 0.00315")
Oil Ring Width ......................................................................................................................................... 0.497 mm - 0.523 mm (0.01957" - 0.02060")
Oil Ring Gap ..................................................................................................................................................... 0.40 mm - 1.40 mm (0.0157" - 0.0551")