http://www.racer.com/heatraces/topic/18807/ Articles tagged with Heat-Races from Racer.com Racer custserv@haymarketmedia.com no IZOD IndyCar Series drivers have given a cautious thumbs-up to the heat race qualifying system that was tried out for this weekend's Iowa Corn 250. http://www.racer.com/indycar-drivers-back-heat-system/article/247069/ Sat, 23 Jun 2012 03:18:01 GMT IZOD IndyCar Series drivers have given a cautious thumbs-up to the heat race qualifying system that was tried out for this weekend's Iowa Corn 250. Racer Three heat races of 30 laps each will replace single-car qualifications for the June 23 race under the lights on the 0.875-mile Iowa Speedway oval. http://www.racer.com/indycar-announces-rules-for-iowa-qualifying-heat-races/article/245318/ Tue, 12 Jun 2012 14:56:33 GMT Three heat races of 30 laps each will replace single-car qualifications for the June 23 race under the lights on the 0.875-mile Iowa Speedway oval. Racer