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
Idle Speed
CURB IDLE SPEED California
850 rpm
Federal, High Altitude
800 rpm
FAST IDLE SPEED Federal
1300 rpm
California, High Altitude
950 rpm
Fig. 8 Fast idle speed adjustment tool installation. 4-156 engines:
NOTE: With tool C-4812 installed.