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 groove depth	Top compression	0.158-0.163 in.
	2nd compression	0.0166-0.171 in.
	Oil control	0.150-0.155 in.
Piston ring end gap	Top compression	0.010-0.018 in.
	2nd compression	0.023-0.33 in.
	Oil control	0.010-0.30 in.
Piston ring side clearance	Top compression	0.0013-0.0031 in.
	2nd compression	0.0013-0.0031 in.
	Oil control	0.0009-0.0079 in.
Piston ring width	Top compression	0.0463-0.0471 in.
	2nd compression	0.0581-0.0589 in.
	Oil control	0.073-0.079 in.