When a 4L60 won’t cut it and a Turbo 400’s lack of overdrive has your engine howling on the highway, a 4L80E might be the solution to your transmission woes. Read more about the 4L80E in this ...

A 4L80E is a four-speed overdrive transmission that is the evolutionary counterpart to the TH400 three-speed transmission. Build both transmissions to handle 600 horsepower and Gearstar will ...

1967 Chevrolet Chevelle - 4L80E Automatic Transmission - Auto Control: Part 1 We work with TCI to build up a Street Fighter 4L80E automatic for the AMD '67 Chevelle. HOT ROD Staff Writer Oct 22, 2013 ...