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 Pressure (Closed) (Intake) 356 Nm @ 46 (80 lb @ 1.80 inch)
Valve Spring Pressure (Closed) (Exhaust) 356 Nm @ 46 (80 lb @ 1.80 inch)
Valve Spring Pressure (Open) (Intake) 102.5 Nm @ 35.3 (230 lb 1.40 inch)
Valve Spring Pressure (Open) (Exhaust) 102.5 Nm @ 35.3 (230 lb 1.40 In)
Valve Spring Installed Height (Intake) 46 mm (8000 inch)
Valve Spring Installed Height (Exhaust) 16 mm (8000 inch)