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

Electrical Specifications


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)