With the new iRacing build comes new classes for dirt racing. Below is an outline of what you can expect in Season 2. Rookie Class: Rookie Street Stock - 20 Laps Legends - Reduced to 25 Laps D Class 305 Winged Sprint - Fixed Limited Late Model - Fixed C Class & Up Will Utilize Heat Racing For Heat Racing, cautions off for Heats and Consi, cautions on for … [Read more...] about New iRacing Dirt Class Structure