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

Ring Side Clearance (Second Ring Only) 0.002 - 0.004 Inch (in)
0.002 - 0.004 Inch (in)
Ring Gap Top (Compression) 0.014 - 0.024 Inch (in)
Second (Compression) 0.062 - 0.072 Inch (in)
Oil 0.012 - 0.024 Inch (in)
Oversize 0.010 inch 4.120 inch
0.020 inch 4.130 inch
0.030 inch 4.140 inch