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 Stem-To-Guide Clearance Intake 0.0055 Inch (in)
Service clearance - 0.0055
Exhaust 0.0055 Inch (in)
Service clearance - 0.0055
Valve Face Angle Intake 30 Degrees (deg)
Exhaust 37.5 Degrees (deg)
Valve Face Runout TIR Maximum 0.002 Inch (in)
Minimum Valve Face Margin Intake Valves 0.112 Inch (in)
Exhaust Valves 0.054 Inch (in)
Valve Stem Diameter 0.31185 - 0.31255 Inch (in)
Valve Head Recession Relative To Deck Surface Intake 0.046 - 0.058 in.
Exhaust 0.052 - 0.064 in.