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

Vin 6, 12 Valve Engines
Piston Ring End Gap (Minimum) Compression Top Ring 0.0011 Inch (in)
Second Ring 0.0018 Inch (in)
Oil 0.0039 Inch (in)
Piston Ring Side Clearance Compression Top Ring 0.00117-0.00315 Inch (in)
Second Ring 0.00078-0.00236 Inch (in)
Oil 0.0039-0.0236 Inch (in)