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 0.001 - 0.0028 Inch (in)
Exhaust 0.0015 - 0.0033 Inch (in)
Valve Head Diameter (Gauge) Intake 1.57 Inch (in)
Exhaust 1.30 Inch (in)
Valve Head Runout Limit 0.002
Valve Face Angle 4.4 Degrees (deg)
Valve Stem Diameter (STD) Intake 0.3134 - 0.3126 Inch (in)
Exhaust 0.3129 - 0.3121 Inch (in)
Oversize Intake 0.3283 - 0.3276 Inch (in)
Exhaust 0.3179 - 0.3271 Inch (in)
Oversize Intake 0.3433 - 0.3425 Inch (in)
Exhaust 0.3428 - 0.3420 Inch (in)