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 Lift Specifications

Engine Liter/VIN 3.1L/M

All Measurements Given In Inches Unless Otherwise Specified

Stem Diameter
Valve Stem Installed Height 1.71
Valve Lash
Intake [13]
Exhaust [13]
Face Angle 45 deg
Margin [01] [14]

[01] Minimum.
[13] Zero lash plus 1 1/2 turns.
[14] Intake, 0.083 inch] Exhaust, 0.106 inch.