A friend told me once a car hits 20 years it is considered a classic and the value shoots way up from what they use to be worth. I know right now I think my 90 gt is worth 2800 or something like that. I mean I know that is in stock form. I know I could sell it for more with it being a SC 5.0 but I want the blue book value up so if I ever want to sell I will get my money back for what I have in it. If I sold it now I wouldnt even get close the money I got it in. Plus considering I have done EVERYTHING that is modified on that car myself....so I would be getting paid for my labor......just talking though I would never sell my car as I love it toooooo much. That mustang will have my name on the title till god brings me home then my son gets it.Anyway I was wondering is this true and does anyone know what the value goes to once it hits 20 years old?