Turbo 400 to 4l80e swap need help

[myburb]

You only need to change the force motor if you go to a later $OE bin. The earlier 80e had a cleaning cycle that the newer doesn't and runs at a different frequency. The reason it is desireable to start with a 7.4 memcal is if you go into limp home it would more closely match your unit. There is probably other items I am not thinking of. As to the hardware to program and tune yourself I suppose it depends pricewise if you just want to one time get it going and go driving or if it will be kinda your hobby. I think most find that one is continually tweaking to make it just a little bit better.

[Antipoped]

Oh wow great info. I never thought about the limp mode being different. So you mentioned the 6395/7427 earlier. Since I'll be repinning my harness to fit the 7060 anyway.....how much more difficult will it be to do 1 of those , and what makes them so much better? Does it matter that it's a 93-94 pcm and I'm running a 91 with 93 tranny?

[myburb]

The 6395/7427 are faster, way more things it does and I found it much easier to work with than the earlier. The bins, xdfs and adxs seem to be more complete and easier to work with. That is only my opinion so maybe someone else will jump in.