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 (Approx.)
48.4 mm (1.905 inch)
Nominal Force (Valve Closed)
338 N @ 38.0 mm (75.98 lbs. @ 1.496 inch)
Nominal Force (Valve Open)
607 N @ 29.75 mm (136 lbs. @ 1.172 inch)
Installed Height
38.00 mm (1.496 inch)
Number of Coils
7.82
Wire Diameter
3.86 mm (1.496 inch)