Operation CHARM: Car repair manuals for everyone.

Piston Ring

Piston Ring Side Clearance Compression (Top) 0.0015 - 0.0029 Inch (in)
Compression (Bottom) 0.0015 - 0.0033 Inch (in)
Oil Ring Snug Fit
Service Limit 0.0039 Inch (in)
Compression (Top) 0.0196 Inch (in)
Compression (Bottom) 0.0255 Inch (in)
Oil Ring (Steel Rail) 0.0354 Inch (in)
Piston Ring Gap
-- Specification 82.4 mm (3.2441 inch) diameter gauge.
Compression (Top) 0.0039 - 0.0098 Inch (in)
Compression (Bottom) 0.0106 - 0.0165 Inch (in)
Oil Ring (Steel Rail) 0.0059 - 0.0255 Inch (in)
Service Limit Compression (Top) 0.0196 Inch (in)
Compression (Bottom) 0.0255 Inch (in)
Oil Ring (Steel Rail) 0.0354 Inch (in)