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 spring free length
50.7 mm
Valve spring squareness
1.2 mm
Valve spring compression pressure (valve open, without damper)
1000 N (224 lbs) @ 29.2 mm ( 1.16 inch)
Valve spring compression pressure (valve closed, without damper)
350 N (79 lbs) @ 40.7 mm (1.62 inch)
Valve spring installed height
40.7 mm (1.62 inch)
Valve spring installed pressure
350 N (79 lbs) @ 40.7 mm (1.62 inch)