On a slightly different note, reductio ad absurdum(reduced to the point of the absurd), then a car is really defined by its cowl panel and the hidden VIN there? Couldn't that also be changed out for a reproduction one? Or by using an intact cowl found in a scrapyard?
1968 400 Coupe, verdoro green, black vinyl top, auto 1969 GTO Judge coupe, Carousel Red, manual 1971 Trans Am, cameo white, auto 1970 Buick Skylark Custom Convertible 350-4(driver), Fire Red, white top, auto 1972 Buick GS Stage 1, Royal Blue, black vinyl top, auto
