Operation CHARM: Car repair manuals for everyone.

Piston Ring, Engine

Ring groove width Top 1.53-1.55 mm
Intermediate 1.52-1.54 mm
Oil control 3.030-3.050 mm.
Piston ring gap Top 0.13-0.28mm
Intermediate 0.25-0.40 mm
Oil control 0.15-0.65 mm