I don't hesitate to take my 1964
Overlander International anywhere the roads can take me. For the past five years, I have averaged more than 3,000 miles per year traveling with the Overlander.
My trusted Airstream dealer, Ace Fogdall, Inc., checks the unit out at least once a year including an annual brake and bearing service. So far, the axles have checked out within specifications, but I am getting suspicious that trouble may be in the future as a crack in the interior skin above the entrance door has recently become eviddent. The longest continuous trips with the Overlander have been in 1998 when we toured the Rocky Mountains and attended the International Rally in Boise, ID (4,000 miles total for the trip). Then in 1999, we toured Ohio as well as the Ohio and Mississippi River valleys (2,200 miles total for the trip). In 2000 it was a tour of North Dakota that included the International Rally in Bismarck, ND (4,000 miles total for the trip) as well as a side trip to the Black Hills of SD. For 2001, we toured Minnesota on our way to the International Rally in Sioux Falls, SD (3,000 miles total for the trip). This past summer, travel was cut short due to problems with the Air Conditioner and power inverter but we still managed a trip to the International Rally in Rapid City, SD as well as the Wagon Wheels Pre Rally (2,000 miles total for the trip).
The trips haven't been without minor problems, but there have been no major problems. Some examples of problems encountered have been a brake malfunction that caused one of the streetside wheels to lock up anytime the brakes were applied (simple fix performed by a highly recommended RV Service Center), water heater burner failure and air conditioner failure (last night of 1998 trip so didn't interfere with plans), spare tire mount failure (during 2000 trip - - spare carried in back of Suburban for the balance of the trip), and air conditioner/power inverter/electric tongue jack problems in 2002 that did cause me to shorten my travel plans as I wanted Ace Fogdall to perform the repairs.
I can't comment on traveling with the Argosy and Cadillac combination as the Argosy was new to me in August, and the Cadillac has been an ongoing project. I am hoping to take this combination to the International Rally in Vermont next summer.
So long as everything checks out with the running gear on a Vintage Airstream, I wouldn't hesitate to tow it wherever the roads and my tow vehicle might take me.
Enjoy your travels!