Today, the Spa 24 Hours stands as the ultimate GT3 spectacle on the sports car calendar. Yet, this remains a relatively modern phenomenon. Following the race's revival in 1964, it spent nearly half a century as a permanent, iconic fixture of the touring car world.<br>Naturally, the lines between touring cars and GT sports cars blurred on more than one occasion during that era. The Porsche 911 ...<a class='more' href='https://www.motorsport.com/gtwce-endurance/news/how-the-spa-24-hours-became-a-gt-race-in-2001/10833764/?utm_source=RSS&utm_medium=referral&utm_campaign=RSS-ALL&utm_term=News&utm_content=www'>Keep reading</a>