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 Gap	Top Compression Ring	0.008 - 0.014 Inch (in)
	2nd Compression Ring	0.0091 - 0.0197 Inch (in)
	Oil Control (Steel Rails)	0.010 - 0.030 Inch (in)
Ring Groove Clearance
	Top and Second Compression Ring	0.0014 - 0.0034 Inch (in)
	Oil Ring (Steel Rails)	0.0015 - 0.0073 Inch (in)
Ring Width
	Top Compression Ring	0.0461 - 0.0469 Inch (in)
	2nd Compression Ring	0.058 - 0.059 Inch (in)
	Oil Ring (Steel Rails)	0.0176 - 0.0186 Inch (in)