Let's assume a guy wanted to buy a 1974 vintage auto in Canada and bring it into the U.S. What kind of issues, import/export taxes, DOT stuff, if any, is there to expect?
Ron
Original Post
Hey Ron. Buy the car, pay for the gas, expenses and my flights and I'll drive it to you. 
But seriously, I doubt it's much of a problem, as I just did the reverse (US to Canada) and it was easier than importing used parts. I'm pretty sure that Canada doesn't care what leaves the country, so you just need to check with US customs to get the import rules. I know that I needed a US export stamp when importing the car into Canada, and the same may be needed in reverse, but US Customs should tell you what they need to allow import. They're probably going to want some assurance the car is not stolen etc.
Good luck,
But seriously, I doubt it's much of a problem, as I just did the reverse (US to Canada) and it was easier than importing used parts. I'm pretty sure that Canada doesn't care what leaves the country, so you just need to check with US customs to get the import rules. I know that I needed a US export stamp when importing the car into Canada, and the same may be needed in reverse, but US Customs should tell you what they need to allow import. They're probably going to want some assurance the car is not stolen etc.
Good luck,