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)

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Valve Spring

Free Length	Intake	1.7195 Inch (in)
	Exhaust	1.7448 Inch (in)
Spring Force	Intake-Closed	69.5-80.5 at 1.4961 Pound Force At Inch (lbf @ in)
	Intake-Open	188-204 at 1.1594 Pound Force At Inch (lbf @ in)
	Exhaust-Closed	71-79 at 1.4961 Pound Force At Inch (lbf @ in)
	Exhaust-Open	130-144 at 1.239 Pound Force At Inch (lbf @ in)
Number of Coils	Intake	6.86
	Exhaust	7.66
Wire Diameter	Intake	0.1689-0.1709 Inch (in)
	Exhaust	0.1638-0.1661 Inch (in)
Height	Installed	1.4961 Inch (in)