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 Guide

Cylinder Head:
Warpage Limit 0.002
Grinding Limit 0.0118
Standard Height 5.02

Valve Guides:
Standard Inside Diameter .2362-.2367
Protrusion Above Head 0.335
Stem To Guide Clearance:
Intake .0012-.0022
Exhaust .0016-.0026

Valve Seats:
Seat Angle Degrees 45
Seat Width:
Intake .039-.067
Exhaust .059-.087