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: Specifications

Valve Springs Free Length	1.91 Inch (in)
Valve Springs Load (Closed)	81.2-72.8 Pound-Force (lbf) 1.600 inch
Valve Springs Load (Open)	215-201 Pound-Force (lbf) 1.175 inch
Load @ 26.98 mm (1.0622 inch), Open	122-133 Pound-Force (lbf)
Valve Spring Pressure Load @ 36.5 mm (1.4370)1 Closed	50-55 Pound-Force (lbf)