Runing a 518 with out a computer conversion kit?

I am going to be using a 518 trans with my FI turbo 5.9 magnum in my 75 Dart sport. I found this company on line and think it is Interesting. So just wondering if any is using thete kit etc?

PATC 727 to 518 / 46RH Conversion Kit. Click here for 727 to 46RH swap wiring diagram - PATC