jus bought a fiesta rs turbo engine 2 put in my escort, as the old 1 was knackerd, but it was mfi, an now i got efi, how do i modify my loom, as the garage is waiting on me cuz they aint sure wat needs 2 b done, will i need 2 buy a fiesta rs turbo ecu? an anythin else i will need? speedy replies much appreciated!! cheers