Operation CHARM: Car repair manuals for everyone.
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

Valve Spring Free Length 1.91 Inch (in)
Note: Damper spring, 1.858 inches.
Valve Spring Installed Height 1.5748 Inch (in)
Seat Pressure 87 at 1.575 Pound Force At Inch (lbf @ in)
Compressed Pressure 194.9 at 1.181 Pound Force At Inch (lbf @ in)
Out Of Square Limit 0.062 Inch (in)