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, Intake/Exhaust

VALVE TIMING

Opens
Inlet 32° BTDC
Exhaust 70° BBDC

Closes
Inlet 73° ABDC
Exhaust 35° ATDC

Duration
Inlet 285°
Exhaust 285°

Valve Peak
Inlet 104° ATDC
Exhaust 114° BTDC