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

Compression Pressure (N (Lb) @ SpecLength)	Intake	159.9 ft. lbs. @ 1.031 inch
	Exhaust	159.9 ft. lbs. @ 1.031 inch
Free Length (Approximate)	Intake	1.6598 inch
	Exhaust	1.6598 inch
Installed Pressure (N (ft. lbs.) @ Spec. Length)	Intake	64.99 ft. lbs. @ 1.4228 inch
	Exhaust	64.99 ft. lbs. @ 1.4228 inch
	Service Limit	10% pressure loss @ 1.103 inch