Operation CHARM: Car repair manuals for everyone.

Piston Ring, Engine

Ring Gap Compression (Top) 0.01 - 0.02 Inch (in)
Compression (Bottom) 0.01 - 0.02 Inch (in)
Oil Ring (Steel Rail) 0.006 - 0.026 Inch (in)
Oil Ring Snug Fit
Oil Ring Service Limit 0.0006 Inch (in)