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

Intake valve spring free length	1.91 Inch (in)
Exhaust valve spring free length	1.91 Inch (in)
Intake valve spring assembled height	1.578 - 1.609 Inch (in)
Exhaust valve spring assembled height	1.578 - 1.609 Inch (in)
Valve spring out of square	0.078 Inch (in)
Intake valve spring compression pressure at specified height	256 - 282 at 1.56 - 1.59 Pound Force At Inch (lbf @ in)