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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VIN J, Spring Dimensions

Vin J, Valve Spring Dimensions

	Inner Spring	Outer Spring
Free Length	1.54 Inch (in)	1.71 Inch (in)
Installed Height	1.18 Inch (in)	1.34 Inch (in)
Seated Pressuure	34.2-37.8 at 1.18 Pound Force At Inch (lbf @ in)	64.1-76.4 at 1.34 Pound Force At Inch (lbf @ in)
Compression Pressure	75.5-81.8 at 0.79 Pound Force At Inch (lbf @ in)	145.8-166.4 at 0.95 Pound Force At Inch (lbf @ in)