the pm6 Si ecu will not just plug in and play. that is right. however, you get the 88-91 Si distributor & convert to MPFI and it's good to go.
you will need the resistor box and intake mani for the conversion as jeef mentioned. all the parts for the conversion will run $150-200 and the dizzy around $60.
check out:
http://www.4thgenerationcivic.com/ho...conversion.htm i got that info out of Sport Compact.
if there is anything i can help with...please feel free to e-mail me
[email protected] :jump: