Fsnyguy-I don't think it's going to be that easy. I think you will have problems getting anything newer than 25 years old over. Even then, don't rely on what anyone here tells you. Go check out the customs regs- they are out there on the internet.
http://www.epa.gov/oms/imports/canadian.htmhere's more "help"
...BTW your Bieber avatar is awesome.-Malone
he's asking about a running car, but tagged it to a parts thread. I think a car is a whole different animal than parts.