Thats interesting Frank. My roadster came from argentina to the UK about 4 years ago. I didn't know there were any different items on these.Being in the Uk where there are not too many Durants i don't get to see them to compare so would be interested in anything you find out.if you need to ask anything about mine just let me know.
It's my understanding that Leaside exported cars throughout the British Empire while cars built in the Elizabeth plant were exported to South America and Europe, While Oakland cars were exported to both South America and Asia. Argentina could have received cars from both Oakland and Elizabeth.
A good part of the Rugbies imported in Argentina where manufactured in Elizabeth plant, or at least have an E in the body serial number. Most of them where touring models. Have got in contact with more than 80 existent vehicles and almost 80% are touring, 12% trucks and very few of other models.The majority between 24 and 29 and with Rugby sign, very few with Durant name.
Also found that there are some small differences in US equivalent models, as per sales brochures, and those exported to Argentina.