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

Valve Spring	Free Length (Approx.)		Intake & Exhaust	1.870 Inch (in)
	Spring Force	Valve Closed	Intake & Exhaust	64.0-72.0 at 1.6020 Pound Force At Inch (lbf @ in)
		Valve Open	Intake	176.2-192.4 at 1.1532 Pound Force At Inch (lbf @ in)
			Exhaust	176.2-192.4 at 1.1532 Pound Force At Inch (lbf @ in)
	Number of Coils		Intake & Exhaust	6.6
	Wire Diameter		Intake & Exhaust	0.1685 - 0.1715 Inch (in)
	Installed Height	Spring Seat to Bottom of Retainer	Intake	1.613 Inch (in)
			Exhaust	1.606 Inch (in)