Ryan Dalziel started his career in American open wheel racing. He’s raced on IndyCar ovals as well as the fastest road courses in the world. That kind of experie3nce gives him some insight on a current argument in IndyCar: Are driers safe enough when they compete on ovals? An ex-F1 driver says they weren’t at Phoenix last week. Some IndyCar veterans say that driver should look in the mirror. What’s Dalziel say? Listen…