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
Emission Control Systems
Ignition Timing:
With Vacuum Hoses Disconnected
4° BTDC
With Vacuum Hoses Connected:
Manual Transmission (at 800 +/- 50 rpm, in neutral)
49 State/High altitude
24° +/- 2° BTDC (red)
California
20° +/- 2° BTDC (red)
Automatic Transmission (at 730 +/- 50 rpm, in gear)
49 State/ High altitude
15° +/- 2° BTDC (red)
California
15° +/- 2° BTDC (red)