The 1.4 will also be IB5 box, maybe diffrent ratios though. Dosen't need to be a Fiesta for the engine a Focus will also do again as it has the same engine.

The MK7 Zetec S is TI-VCT it now comes under the Duratec family as well, I to think you would need the ECU and corrosponding key(s).

Martin