i talked to ash a little today. he said his pro-m is not able to be calibrated, its just a sensor. the injector calibration is done in the tune.
im going to try to get ahold of james henson and see if i can get a part number if you are interested in finding out more about it Tom. it may be something new
Turbo Turtle Garage
Zetec and Duratec Turbo kits, engine building