This course focuses on completing a 4L60E to 4L80E transmission swap with the original 4L60E already removed. will learn proper 4L80E preparation, crossmember positioning, driveshaft modifications, wiring and ECU considerations, torque converter setup, and correct installation procedures. Emphasis is placed on drivetrain compatibility, torque specifications, fluid setup, and post installation inspection to ensure reliable performance and long term durability. working on a 1999 Chevy tahoe