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

Valve Spring

Free Length	Intake	1.815 Inch (in)
	Exhaust	1.717 Inch (in)
Pressure	Intake	46-52 at 1.535 Pound Force At Inch (lbf @ in)
	Exhaust	29-33 at 1.476 Pound Force At Inch (lbf @ in)
Out Of Square Limit	Intake	0.0335-0.0531 Inch (in)
	Exhaust	0.0364-0.0581 Inch (in)