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 StemTo Guide Clearance(Intake) (0.00078-0.00270) Inch (in)
Valve Stem To Guide Clearance(Exhaust) (0.018-0.0037) Inch (in)
Valve Head Diameter(Intake) 1.75 Inch (in)
Valve Head Diameter(Exhaust) 1.34 Inch (in)
Valve Head Diameter-Gauge Diameters (1.26-1.67) Inch (in)
Valve Face Width 1.91-2.16
Valve Face Runout Limit 0.002 Inch (in)
Valve Face Angle 45.5 Degrees (deg)
Valve Stem Diameter(STD)-Intake (0.2746-0.275) Inch (in)
Valve Stem Diameter(STD)-Exhaust (0.2736-0.274) Inch (in)