i converted the gfs mfi cab to efi using an efi loom aswell and as said its alot neater althou the prob i had was fixing wireing probs as it was from a breakers and whoever crashed it before it got scrapped decided to cut alot of wires up!!

A mate had an mfi cab he fitted an efi turbo engine in and all they did was wire in a fez turbo loom by just connecting certain wires to the batt and 1 of them to the ignition live!! they were the wires on the multi plug u disconnect the loom from.