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		2.02 Inch (in)
Installed Height	Intake	1.670-1.700 Inch (in)
	Exhaust	1.670-1.700 Inch (in)
Spring Pressure	Open	187-203 at 1.27 Pound Force At Inch (lbf @ in)
	Closed	76-84 at 1.7 Pound Force At Inch (lbf @ in)