Operation CHARM: Car repair manuals for everyone.

Piston Ring, Engine

Piston Compression Ring End Gap - Production Top - Measured in Cylinder Bore 0.009 - 0.017 inch
Cylinder Bore Piston Compression Ring End Gap - Production 2nd - Measured in Cylinder Bore 0.017 - 0.027 inch
Cylinder Bore Piston Oil Ring End Gap - Production Measured in Cylinder Bore 0.007 - 0.029 inch
Piston Compression Ring End Gap - Service Top - Measured in Cylinder Bore 0.009 - 0.0196 inch - Maximum
Piston Compression Ring End Gap - Service 2nd - Measured in Cylinder Bore 0.0173 - 0.03 inch - Maximum
Piston Oil Ring End Gap - Service Limit Measured in Cylinder Bore 0.007 - 0.032 inch - Maximum
Piston Compression Ring Groove Clearance Production - Top 0.00157 - 0.0033 inch
Piston Compression Ring Groove Clearance Production - 2nd 0.002 - 0.0034 inch
Piston Oil Ring Groove Clearance Production -0.0003 to +0.0069 inch
Piston Compression Ring Groove Clearance Service - Top 0.00157 - 0.0033 inch - Maximum
Piston Compression Ring Groove Clearance Service - 2nd 0.002 - 0.0034 inch - Maximum
Piston Oil Ring Groove Clearance Service Limit 0.0003 to +0.0069 inch - Maximum