Hello everyone, Have two 73 RT3 360's. I had one back in 79 and couldn't resist when I saw a couple come up for a good price years ago. One I bought was a rolling chassis converted to a MX. I bought an engine and installed it and I've been slowly collecting parts to bring it back to original. It runs great and am currently looking for a fuel tank for it, preferably in Baja Brown but will paint to match if needed.  The other was non running and the silver color just like my old one back in '79. Did some work on it and besides the occasional killer kick back it runs pretty good and is all original. It still has some electrical issues, half the lights don't work and the tail light blinks with the blinkers. Bad ground maybe. 
Anyway, great group and really enjoy the posts.

I’m thinking the silver one is maybe a ‘72?

Greetings from Tennessee 

Greetings from NZ. Look forward to pics [when pics aint broke] or use an external link.