Operation CHARM: Car repair manuals for everyone.

Piston Ring, Engine

Ring End Gap - Top Ring (Maximum) 0.0413 Inch (in)
Top Ring (Standard) 0.0098 - 0.0138 Inch (in)
Lower Ring (Maximum) 0.0472 Inch (in)
Lower Ring (Standard) 0.0138 - 0.0197 Inch (in)
Oil Ring (Maximum) 0.0413 Inch (in)
Oil Ring (Standard) 0.0059 - 0.0157 Inch (in)
Ring Groove Clearance - Lower Compression Ring 0.0012 - 0.0028 Inch (in)
Upper Compression Ring 0.0012 - 0.0028 Inch (in)