The only logical transmission for our 4x4 was the 4L80E four-speed automatic transmission commonly found in 3/4- and 1-ton GM trucks and SUVs. It is essentially a four-speed TH400.

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 ...