hello lads i have an ek4 with an s4c 4.4fd "no lsd" and a short ratio 3,4,5,i want to upgrade to a honda oem lsd,im asking 1st of all can this be done and if it can is it too much of a job?i have a doner box at home its a s9b "lsd" with a 4.2fd is it a case of just taking the lsd out of the s9b...