74propu
Full Access Member
- Joined
- Aug 8, 2015
- Posts
- 687
- Reaction score
- 242
- Location
- florida
- First Name
- austin
- Truck Year
- 1974 1980 1986
- Truck Model
- c10s/b c10 s/b c10l/b
- Engine Size
- 5.3 / ?/454 tbi
I want to swap out my th375 for a 4l80 transmission . I can find the 4l80 around here for around $300 but I have been in every pap and can not find a transmission control unit any where if any one has one or if you find one and the wiring harness I will bye it and pay the shipping for them ( need tcu and harness) please help a brother in need 
