right im in the middle of buying a mk4 escort combi van and would like to fit the rs turbo engine to it and ive finally found a wirring loom but im not to sure what im looking for and i dont want to be stuck with a loom of an xr3i or something simular is there any thing i should be looking out for ie extra coloured plugs etc

please help as im ment to be going to get it in the next few days

cheers

davie