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

Piston Ring (Compression)	Side Clearance (Top Ring)	Keystone Type Ring
	Side Clearance (Second Ring)	0.0015-0.0031 Inch (in)
	Gap (Top Ring) (1-6)	0.0100-0.0224 Inch (in)
	Gap (Top Ring) (7-8)	0.0115-0.0240 Inch (in)
	Gap (Second Ring) (1-6)	0.0229-0.0345 Inch (in)
	Gap (Second Ring) (7-8)	0.0245-0.0366 Inch (in)
Piston Ring (Oil)	Side Clearance	0.0016-0.0035 Inch (in)
	Gap (1-6)	0.0084-0.0224 Inch (in)
	Gap (7-8)	0.0100-0.0240 Inch (in)