Operation CHARM: Car repair manuals for everyone.
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

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Valve Spring

Free Length (Approximately.) 49.962 mm (1.967 inch)

SPRING TENSION:
(Valve Closed) @ 41.66 mm = 378 N (@ 1.64 in = 85 lbs)
(Valve Open) @ 30.89 mm = 890 N (@ 1.212 in = 200 lbs)

Number of Coils 6.8
Installed Height. (Spring Seat to Retainer) 41.66 mm (1.64 inch)
Wire Diameter 4.50 mm (0.177 inch)