Another factor is that it isn't likely that the records of each build were kept under the VIN # for the car. They were probably kept under the original buyers name in a file that contains all the cars for a specific year. That would mean that it would be VERY difficult to track down car details unless you were buying it from the original owner. Original owners don't need the information, 2nd owners would know who they bought it from and might have details, but 3rd, 4th and subsequent owners are not very likely to have any history of the original owner or the year it was built. That would make it extremely difficult for VS to help them out.
I would think you would be better off trying to get owner information from the DMV and then trying to contact the original owner. I know someone who did exactly that, but he may have had some inside access that most of us don't have. I could be wrong, but I do think the DMV does provide that information for a fee.