That is a fair concern BP. My thinking though is that if there was an event like that (with all those different enduro events, that an individual racer can only enter one class if they are also entered in the LeMans enduro. Each 4 man team would have the one car for their given class (with a 20 car main, it would be 6 cars in each class with two reserve cars to give a nice round number), and then shorten the individual class races to 45 minutes to minimize wear on the different chassis