I know it is a long shot but I had sold my black 1993 Z34 about 5yrs ago. It was traded in to a dealership in the Pittsburgh Pennslyvania area.it had passenger door damage due to a accident about a month prior to trading it in. The last time I checked the Butler Pennslyvania auto auction had it. If a dealer got it which they most likley did the damage would have been fixed and the car could be anywhere.The only thing I can say to identify the vehicle is it had a sunroof and about 67,000 to 70,000 miles on it and the engine was really clean. i know it is not much but I am just curious It also had a K and N air filter. Also the shevy emblem on the front would have been a big blue chevy emblem