The coil drivers are in the EDIS module, not in the coil pack. Yes, a circuit could be designed to allow the EDIS module to provide a 5V square wave to the LS1 coils. Is it worth it, probably not. If you have your heart set on the LS1 coils, trigger the MS directly off the VR sensor and 36-1 wheel (eliminate the EDIS module). Then drive the LS1 coils with the MS ignition outputs.