yes ecu is not worth wasting time with now
MSD81.2 is a relatively cheap ecu £40
on ebay, plenty on sale, i would just get another and modify the data to match cas
MSD/MSV can be coded on bench using autohex pinout, support have diagram, im not sure how to attach to this reply so ask support they will give you
this is total 10-15 min job including programming/coding