efi all the way, if urs is efi allready u can keep ur tank & fit fiesta rs pump straight in.
all fuel line ends the same etc..
u can even use xr3i efi wireing loom if u get the OFAC ecu/managment (most common).
so its a simple:
fuel pump
ecu
engine/turbo/rad etc change
yourll have it done in a day if u know your way around old fords & have all bits there.
ide go t3 conversion that way all escort rs boost pipes will fit straight on & escort rad/cooler in place
if u need any info/help on the conversion pm me
