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 -.0055
Exhaust 0.0055 Inch (in)
Service clearance -.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)
Minimum Valve Face Margin - 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.