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	Top Groove Side Clearance	0.002 - 0.0034 inch
	Second Groove Side Clearance	0.002 - 0.0035 inch
	Top Ring Gap	0.008 - 0.019 inch
	Second Ring Gap	0.0213 - 0.0339 inch
	Oil Ring Groove Clearance	0.0018 - 0.0079 inch
	Gap in Cylinder Bore	0.012 - 0.035 inch