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

Valve Spring Dimensions

Free Length	Inner	1.980 Inch (in)
	Outer	2.035 Inch (in)
Seated Pressure	Inner	19.8-22.7 at 1.516 Pound Force At Inch (lbf @ in)
	Outer	39.9-45.9 at 1.634 Pound Force At Inch (lbf @ in)
Compressed Pressure	Inner	45.2-51.8 at 1.122 Pound Force At Inch (lbf @ in)
	Outer	100.5-115.5 at 1.240 Pound Force At Inch (lbf @ in)
Out Of Square Limit	Inner	0.059 Inch (in)
	Outer	0.063 Inch (in)