I have a 1979 Pontiac TransAm , It is all original , it has a 403 v8 in it , automatic , a/c , its all original and in almost perfect condition , interior is perfect no discoloration or rips / holes , runs great , once again EVERYTHING on the car is original , original paint in amazing condition. and only 40k original miles. any idea what its worth? im not selling it but im just curious 