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

Cylinder Head Rebuilding Specifications

Cylinder Head Warpage Limit, inch 0.004
Valve Stem To Guide Clearance, inch:
Intake 0.0019-0.0026
Exhaust 0.0029-0.0037

Valve Seats:
Seat Angle (deg.) 45
Seat Width, inch:
Intake 0.035-0.051
Exhaust 0.035-0.051