it`s called a 300zr. and it`s non turbo in it`s stock form. vg30de.
i believe the cedric came with a vg30det and there is someone from z31.com that has just dropped one in. problem is steering and turbos on the same side here in usdm land. anything can be done with enough time and money.

and just to get your couriousity (sp?) going, we have seen z32 and s13 rear sub frames go under z31.