Video: Power, Dixon, and Castroneves preview Grand Prix of Houston

The IndyCar Series heads to Houston, Texas this weekend for the second doubleheader of the 2014 season. Drivers and teams will tackle the tricky 1.683-mile, 10-turn temporary street circuit on Saturday and Sunday, with both races rewarding full points.

Before heading off to Houston, points leader Will Power, Penske Racing teammate Helio Castroneves and three-time series champion Scott Dixon sat down to discuss their thoughts on racing in Texas heat and the implications a doubleheader can have on the overall title race.