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

Engine Liter/VIN 3.1L/M

All Measurements Given In Inches Unless Otherwise Specified
Cylinder Head Warpage Limit [02]
Valve Guides
Stem To Guide Clearance
Intake 0.0010-0.0027
Exhaust 0.001-0.0027
Valve Seats
Seat Angle 45deg.
Seat Width
Intake 0.0610-0.0730
Exhaust 0.0670-0.0790
Runout 0.001

[02] Inner spring, 75.5-81.8 lbs. @ .79 inch] outer spring, 146.8-166.4 lbs. @ .95 inch.