1972-1976 By Carlos De Paula Today GT racing is in a healthy state the world over. We do live in more affluent times, with quite a few dream cars eligible to run in the category and a lot of sponsorship money, which was not the case in the early 70’s. However, the world of sports car racing has always been a struggle between bona fide, purebred racers, mostly called prototypes, and GTs, which are basically racy, production based cars. Plus, there have been categories in between, such as the Group 5 of the mid 70’s/early 80’s, and the 5 liter sports cars of the late 60’s, which required a minimum production run of 25 units. Rad more about it here https://www.amazon.com/dp/1732674426