Marcus Haselgrove, Technical Director for Pirelli World Challenge, talks BOP, or Balance of Performance with North American Sportscar. Read the story here:http://nasportscar.com/how-balance-of-performance-works-a-q-a/ Read full article on Press Room Pirelli World Challenge

Matt Kistler with North American Sportscar gives a rundown of the number of manufacturers and models that are currently participating throughout the seven classes of Pirelli World Challenge. The numbers are impressive to say the least -- 24 makes, 35 models have seen the track, with a 36th coming. Read...

Matt Kistler with North American Sportscar interviews Pirelli World Challenge President and CEO Scott Bove about the announcement of the new Sprint-X series.Read the interview here:http://nasportscar.com/scott-bove-presidentceo-of-pirelli-world-challenge-talks-sprint-x/ Read full article on Press Room Pirelli World Challenge

FG_AUTHORS: Series News - Pirelli World Challenge - Pirelli World ChallengeMatt Kistler with North American Sportscar interviews Joe Aquilante, Principal with Phoenix American Motorsports about the team's recent announcement to compete in Pirelli World Challenge in 2015.Read the interview here:http://nasportscar.com/interview-w-joe-aquilante-principal-phoenix-american-motorsports/Read more http://www.world-challenge.com/news/series-news/item/2834-interview-with-joe-aquilante-principal-phoenix-american-motorsports.html

Matt Kistler with the website North American Sportscar interviews EFFORT Racing's Ryan Dalziel and Michael Mills. Read the interview here:http://nasportscar.com/15-minutes-with-ryan-dalziel-and-michael-mills/Read more http://www.world-challenge.com/news/series-news/item/2701-interview-with-effort-racing-s-ryan-dalziel-and-michael-mills.html

FG_AUTHORS: Series News - Pirelli World Challenge - Pirelli World ChallengeMatt Kistler with the motorsports website North American Sportscar interviews two-time Pirelli World Challenge GT Drivers' Champion Johnny O'Connell.Read the interview here:http://nasportscar.com/10-questions-with-johnny-oconnell/Read more http://www.world-challenge.com/news/series-news/item/2610-10-questions-with-johnny-o-connell.html