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 2
Oil Ring 1
Side Clearance 1st Compression (Top) 0.0016 - 0.0037 Inch (in)
2nd Compression 0.0016 - 0.0037 Inch (in)
Oil Control None - Side Sealing
Ring End Gap 1st Compression (Top) 0.0098 - 0.0157 Inch (in)
2nd Compression 0.0138 - 0.0020 Inch (in)
Oil Control 0.0098 - 0.0299 Inch (in)