Joff if that was the case then why ban them, why not let it take it's natural course, and let them die out? and with regards to the v8 super cars nissan/datsun have made V8 salon cars since the 1965, http://en.wikipedia.org/wiki/Nissan_President
4years before holden did but no not in the v8 supercars.
I liked it with all the different classes in the one race at bathurst, it was better for the motor industry as a whole and gave everyone some thing to show off.
Troy