As titled im fitting a 4x4 complete cossie engine into my mates 3 door and wondered apart from changing the sump do i need to change the pickup? and i know that some water pipes are diffrent too that go into the head is that it and do i need to reroot the pipes. I have'nt looked yet at what i have to do so i thought i would ask as then atleast i will have a clearer head when i start.