Get on here www.skylineowners.com good site.
32gtr good but old, can run RWD only with the drive fuse pulled
33gtr good but weighs more, can't run rwd only

Its a bit of pot luck with getting one. Most will run fine and do 100K but if it shows low oil pressure then its likly to drop the bottom end at some point. Oil pressure senders fail and give a false reading.