This season of the Pirelli World Challenge has had no shortage of excitement. For 2011 GT Academy grad Bryan Heitkotter and teammate JD Davison – both behind the wheel of a NISMO GT-R GT3 in the top GT class – it started strong. The big Nissans were well-suited to Circuit of the Americas, enabling Heitkotter to nab silver in Round 1, with Davison close behind in 4th. Sadly, complications during the second race of that first weekend pushed them down to 19th and 13th, respectively...