not sure what you are trying to do... if you are trying to turbo your z32, the vg30dett already goes in that car, so no problem swapping it in. i`m not aware of a vq30det, are you looking jdm for that motor?
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SHIFT_old school
399.5 hp 430 tq on 95k mile junkyard motor
12.0 @ 118.22 1.89 60`
DILLIGAF?