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
DIMENSIONS Valve Spring Compression Pressure(a)
71-79 lbs. @ 1.833 inches, 206-220 lbs. @ 1.352 inches
Valve Spring Free Length (Approximate)
52.70 +/- 3.8 mm (2.075 +/- 0.150 inch)
Valve Spring Assembled Height
Intake
44.881 mm (1.767 inch)
Exhaust
46.558 mm (1.833 inch)
Valve Spring Out Of Square
1.981 mm (0.078 inch)
(a) Service limit +/- 8 lbs.