That’s right, you can take the incredibly strong 4L80e and use it without a computer or a bunch of electronics to shift it. You can in fact make it a full reverse pattern manual valve body just like you might do on a Turbo 400. Of course the 4L80e is the overdrive version of a TH400 so there is no doubt that they are built tough. But did you know how tough? Watch the video with our friend Ian from Big Tire Garage and he’ll not only tell you all the reasons why a 4L80e rocks, but also go step by step on how to install a full manual valve body in one.
Video Description:
The Turbo 400 is one of my favorite transmissions and because of that by default the 4L80 has become my favorite 4 speed auto for serious off road abuse.
In this video I will take you step by step on the process of installing the Speedmaster reverse manual valvebody into the 4l80. Every step you need to take to ditch the computer and shifter your 4l80 yourself.
