Right chaps thinking about putting my zt engine in either a mk1 focus rs or a
Fiesta st for a few reasons really but one just them being a much newer car than my mk3 fiesta's.but main question is ill be running cosworth managment now running this will this still allow me to use all the standard features of the car also i.e abs,air con ect or will there be any complications?

Cheers
Danny