The one of a kind gt challenge save

Alright mechanics so you played my winter car did you well now behold my save game you have a ton of money the sorbet the gifu and the kekmet you spawn at your perants house the rivett already there but something is wrong the car and vin is off from dealer and factory spec a gt with a vynal roof unheard of you see what happened was the car was stolen back in the 70s and someone did try to change the vin and spec but failed and got caught so it sat there rotting considering you own your personal junkyard at your driveway will you be able to get a historic registration on this odd spec of a car and return it to its rightful awful vin spec good luck