Of note VS V6 verse's VS V6 S/C PCM seems to be mainly Fuel Pump Speed Controller Circuit Missing?
VT V6 PCM verse's VT V8 or VS V8 Series 3 PCM has a Resistor and Diodes changed for sequential injection to work.
VT V8 PCM
VS V8 PCM
VS V6 BPYR
VS V6 BSTK