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 compression pressure at specified height
190 - 210 At 1.20 Lbs.
Intake 74 - 82 At 1.78 Lbs.
Exhaust 76 - 84 At 1.60 Lbs.
Intake valve spring free length 2.06 Inch (in)
Exhaust valve spring free length 1.88 Inch (in)
Intake valve spring assembled height 1.75 - 1.81 Inch (in)
Exhaust valve spring assembled height 1.58 - 1.64 Inch (in)
Valve Spring Out Of Square 0.078 Inch (in)