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

Top Compression Ring Ring Gap 0.0098-0.020
- Wear Limit 0.031
Ring Side Clearance 0.0011-0.0031
- Wear Limit 0.004
Ring Width 0.057-0.059
2nd Compression Ring Ring Gap 0.009-0.018
- Wear Limit 0.031
Ring Side Clearance 0.0011-0.0031
- Wear Limit 0.004
Ring Width 0.057-0.059
Oil Control Steel Rails Ring Gap 0.0098-0.025
Wear Limit 0.039
Oil Ring Pack Ring Side Clearance 0.0004-0.0070
Ring Width 0.107-0.1133