Yes, there was a Cougar team and the AMX Penske cars, but no Chevelles, and very limited other cars in the series, as it was really open to pony cars during the "Golden Era."

Boss 302s, a Firebird, Javelins, Cougars would all be welcome additions to the list of available bodies, but man, complaining about the lack of fringe body styles is getting kind of old.