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
Piston Ring Width
Top Compression
0.0577 - 0.0587 inch
Bottom Compression
0.0577 - 0.0587 inch
Piston Ring Side Clearance
[1] Top Compression
0.0013 - 0.0033 inch
Bottom Compression
0.002 - 0.004 inch
Oil
Snug
Piston Ring Gap
Top Compression
0.010 - 0.020 inch
Bottom Compression
0.010 - 0.020 inch
Oil (Steel rail)
0.015 - 0.055 inch
[1] Allowable limit - 0.002 inch maximum increase in clearance.