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

Free Length (Approx) Intake and Exhaust 1.9134 Inch (in)
Spring Force (Valve Closed) Intake and Exhaust Minimum 70.92722 at 1.6099 Pound Force At Inch (lbf @ in)
Maximum 79.24515 lbs. at 1.6099 Pound Force At Inch (lbf @ in)
Spring Force (Valve Open) Intake and Exhaust Minimum 176.6998 at 1.167 Pound Force At Inch (lbf @ in)
Maximum 193.3357 at 1.167 Pound Force At Inch (lbf @ in)
Number of Coil Intake and Exhaust 6.69
Wire Diameter Intake and Exhaust Minimum 0.1685 Inch (in)
Maximum 0.1715 Inch (in)
Installed Height (Spring Seat to Bottom of Retainer) Nominal Intake 1.613 Inch (in)
Exhaust 1.606 Inch (in)