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Fitting a 172 cup ecu to a ph1 172

  ph1 172
I have a RS Tuning remapped 172 cup ecu, uch and ignition barrel off my old car.

Now driving a ph1 172 and was wondering would above items be a straight swap for existing parts?

Anything else to consider or not compatible?

Cup has FBW throttle and phase 1 is a cable throttle as an obvious problem, but Dan above has said it all I think.

regards Russ........