Operation CHARM: Car repair manuals for everyone.

Piston Ring, Engine

Piston Ring Top Groove Side Clearance 0.002 - 0.0034 inch
Second Groove Side Clearance 0.002 - 0.0035 inch
Top Ring Gap 0.008 - 0.019 inch
Second Ring Gap 0.0213 - 0.0339 inch
Oil Ring Groove Clearance 0.0018 - 0.0079 inch
Gap in Cylinder Bore 0.012 - 0.035 inch