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)

Or, hide this message: temporarily or permanently

Valve Spring

Length Installed		1.3780 inch
Free		1.6059-1.7201 inch
Valve Closed		1.3780 inch
Valve Open	Intake	1 0 9646 inch
	Exhaust	0.9842 inch
Force, Valve Closed @ 35 mm (1.3780 inch)		47.5-52.5 lb
Valve Open @ 24.500 mm (0.9646 inch)		130.2-141.9 lb
Diameter Inside		0.6988-0.7185 inch
Outside		1.0327 inch
Wire (Ovate)		0.1618 x 0.1291 inch
Coil Direction		Clockwise
Total Number of Coils		6.90-7.10
Identifier		Orange