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

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Valve Spring

Valve Spring Compression Pressure Intake 153 at 1.18 Pound Force At Inch (lbf @ in)
Exhaust 153 at 1.18 Pound Force At Inch (lbf @ in)
Free Length
Approximate
Intake 1.84 Inch (in)
Exhaust 1.84 Inch (in)
Installed Pressure Intake 51 at 1.57 Pound Force At Inch (lbf @ in)
Exhaust 51 at 1.57 Pound Force At Inch (lbf @ in)
Service Limit 10% Pressure Loss @ 30.09 mm
Out-of-Square Limit 1%