oldretiredafguy
Full Access Member
- Joined
- Apr 20, 2020
- Posts
- 1,418
- Reaction score
- 3,228
- Location
- N. Texas
- First Name
- Mike
- Truck Year
- 1988, 1988, 1991, 1983
- Truck Model
- GMC V-Jimmy, GMC Suburban 4WD, GMC Suburban 4WD, GMC-2500 CrewCab
- Engine Size
- 350, 350, 350, 350
Thanks. Learn something every day on this forum. Does that mean that the 4L80E trans was controlled by the ECM/ECU?Looks nice, 91 was the only year for 4l80e