Curiosii for ever!: Car repair manuals for everyone.

Piston Ring Gap & Groove Clearance

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