73c20jim
Full Access Member
- Joined
- Jun 11, 2018
- Posts
- 2,282
- Reaction score
- 2,924
- Location
- Tombstone, AZ
- First Name
- Jim
- Truck Year
- 1973, 1973
- Truck Model
- C20 2WD Custom Deluxe. C10 2WD Base Model
- Engine Size
- 350 CID 195/260 HP Goodwrench crate, 400 CID 2bbl
OK These I know
M20 - 4 speed wide ratio
M21 - 4 speed close ratio
M22 - 4 speed close ratio HD (rock crusher)
TH350 - 3 speed automatic
TH400 - 4 speed automatic
That's it
What are the other codes for transmissions and transfer cases and what do they do or makes them different or special from each other?????
M20 - 4 speed wide ratio
M21 - 4 speed close ratio
M22 - 4 speed close ratio HD (rock crusher)
TH350 - 3 speed automatic
TH400 - 4 speed automatic
That's it
What are the other codes for transmissions and transfer cases and what do they do or makes them different or special from each other?????