Ive got a mk4 1400 escort rst replica wich im planning on putting an 1800 zetec engine in, ive got an engine witch i took out of an orion, i took all the ignition and injection wiring out with it, there is one multi plug wich plugs into the rest of the loom i need to know witch wires do what so i can wire it into my loom, also would an xr3i fuel tank and pump work for the injection system?