Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Piston Ring, Engine

Compression Ring Gap, Second Ring 0.0098 - 0.0157 Inch (in)
Compression Ring Gap Top 0.006 - 0.012 Inch (in)
Compression Ring Side Clearance In Groove, Second Ring 0.0012 - 0.0028 Inch (in)
Compression Ring Side Clearance in the Groove Top Ring 0.0016 - 0.0031 Inch (in)
Compression Ring Width, Second Ring 0.0579 - 0.0587 Inch (in)
Compression Ring Width Top Ring 0.0461 - 0.0469 Inch (in)
Oil Rail Width 0.0151 - 0.0173 Inch (in)
Oil Ring Gap 0.0098 - 0.0299 Inch (in)
Oil Ring Width (Ring Package) 0.113 - 0.1187 Inch (in)