thanks that helps alot.the main reason i asked was i went to a car show and there was a guy there that knows a have MOPARS.i was looking at what i now know was a 72 RR.when i said it was a 71 or 72 he got indignant and said "c,mon your Mr. MOPAR and you dont know what year it is?"(i let him live).i really could,nt care less about that nimrod but just wanted to satisfy my own mind.THANKS A BUNCH.