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: Specifications

Piston Rings
Ring, End Gap, Top Compression 0.2 - 0.35 mm (0.00787 - 0.01378 inch)
Ring, End Gap, Second Compression 0.35 - 0.5 mm (0.01378 - 0.01969 inch)
Oil 0.2 - 0.7 mm (0.00787 - 0.02756 inch)