Originally Posted by macturbo

I would just get a full mk4 xr3i EFI model wiring harness and swap it. You might have to alter the rear light multi plugs if the differ from a car but otherwise I would think its straight forward. My mk4 escort was a 1.4 carb model and its now running a zetec turbo using a mk4 xr3i EFI harness with frst management.