I have been looking for engine options since throwing a rod in my 2v and have decided to do the mark 8 swap. A few questions before I begin as I am assembling a parts list, it will run on the 2v ecm for some time until I can get a tune? and the return style fuel rail to returnless can be done correct, or must I go return style(looking for easiest route first I am less concerned about cost, a kit or similar would be ideal)? and finally will the mark intake suffice until I can source a 96-98 cobra intake?