easily fit on front as you wanna run a bit of camber up front anyway. rear will be more of a challenge without touching guards or running more camber than front. or small tyre like 245.
have a look here for a few example
http://rimtuck.com/search/thumbnails&make=Nissan&model=R31-R34+Skyline+2dr&yearfrom=1995&yearto=1998
and its the lower the number the further out it it will sit