I have a 72 Challenger Rallye I am looking to trade for a 70-72 Dart, 71-72 Scamp or maybe a 70-72 Duster. The Challenger is a original Rallye car it is GY8 Gold, I was told that there were less than 250 Rallye's built in 72 in that color. It came from the factory with a 318 it now has a built...