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 Dimensions

<Except GSI> Piston Ring End Gap Compression Top Ring .0098 Inch (in)
Note: Minimum
Compression 2nd Ring .0059 Inch (in)
Note: Minimum
Oil Ring 0.0039 Inch (in)
Note: Minimum
Piston Ring Side Clearance Compression Top Ring .0016-.0031 Inch (in)
Compressin 2nd Ring .0012-.0028 Inch (in)
<GSI Models> Piston Ring End Gap Compression Top Ring .0098 Inch (in)
Note: Minimum
Compression 2nd Ring .0079 Inch (in)
Note: Minimum
Oil 0.0059 Inch (in)
Note: Minimum
Piston Ring Side Clearance Comp. .0012-.0028 Inch (in)
Oil .0039-.0236 Inch (in)