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 0.004
Cylinder Head Overall Thickness [02] 4.205-4.220
Valve Guides:
Standard Inside Diameter [01]
Stem to Guide Clearance:
Intake .0008-.0021
Exhaust .0016-.0029

Valve Seats:
Seat Width:
Intake 0.069
Exhaust 0.067

[01] -- Intake, .2756-.2763 inch; Exhaust, .3150-.3154 inch.
[02] -- Minimum thickness is overall thickness, less warpage limit, combined with amount of grinding of cylinder block gasket surface.