I dont know about the US but A bodies fetch very little money in England compared to B or E cars. A restored 340 GTS is worth between a 1/3 to 1/2 the value of a Charger R/T or similar Challenger. A shame really because my car is an original GTS.
69 Dart GTS 440 mopar .590 cam, Edelbrock heads, 3200# best et 6.45, 106.78, 10.14, 132.88 mph, 1.47 60ft best 60ft 1.36