Just like the 700R4, the 4L60 was still a transmission that was hydraulically shifted, needing only the TV cable position and governor pressure to make its shifts. In 1993, the 4L60 evolved into ...

By changing some parts in the valvebody, your transmission—in this case a 700-R4—can be “reprogrammed” to have firmer, power-saving shifts. With the TCI Automotive Constant Pressure Valve ...

Of course the argument stands, the C4/C6 is a good, strong transmission, but so are a lot of other outdated trannys. The 700 is a tried and true four-speed automatic that, when properly set up ...