There was a 300zr z31 that had a transitional version vg30de, but it has more in common with the vg30det used in the cima than the vg30de from the z32
That trans should bolt up, the trick will be the starter/flywheel/clutch stuff... z32 trans on a z31 vg30e requires maxima flywheel to work, the z31/z32 crank bolt pattern is different