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 Head Thickness Intake Standard 0.030-0.047 Inch (in)
Minimum Limit 0.024 Inch (in)
Exhaust Standard 0.03-0.047 Inch (in)
Minimum Limit 0.027 Inch (in)
Valve Head Angles For Refinishing Area Abobe Seat Contact Area 15 Degrees (deg)
Seat Contact Surface 45 Degrees (deg)
Valve Stem Outside Diameter Intake (STD) 0.2152-0.2157 Inch (in)
Valve Stem To Guide Clearance Intake (STD) 0.0008-0.0018 Inch (in)
(MAX) 0.0027 Inch (in)
Exhaust (STD) 0.0018-0.0028 Inch (in)
(MAX) 0.0035 Inch (in)