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

Overdrive 4-SPD M/T

New Process 435 4-spd A/T, Clutch Usage (ALL):

New Process 435 4-spd M/T, Clutch Usage (E/F Series 6.9L, 7.5L):

Ford Overdrive 4-spd M/T, Shift Speeds (5.0L Bronco):

Ford Overdrive 4-spd M/T, Shift Speeds (E150-350):

Ford Overdrive 4-spd M/T, Shift Speeds (4.9L/5.0L E150-350):

New Process 435 4-spd M/T, Gear Ratios (ALL):

Ford Overdrive 4-spd M/T, Transmission End Play:

Ford Overdrive 4-spd M/T, Shift Speeds (4.9L Bronco):

Ford Overdrive 4-spd M/T, Shift Speeds (5.0L Bronco):