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, Valve Guides and Valve Seats

Cylinder Head Warpage Limit 0.008
Cylinder Head Overall Thickness [01] 4.720-4.728
Valve Guides (Standard)
Stem-to-Guide Clearance
Intake 0.0008-0.0016
Exhaust 0.0012-0.0024
Valve Seats
Angle 43.50-44.00°
Width 0.035-0.051

All measurements given in inches, unless otherwise specified.

[01] Minimum thickness is overall thickness, less warpage limit, combined with amount of grinding of cylinder block gasket surface.