Five events that could shake up IndyCar, NASCAR

NASCAR Power Rankings It's a Sprint Cup bye week and the IZOD IndyCar Series is in Toronto -- after an important stop on Wednesday to announce a new engine

NASCAR Power Rankings

It's a Sprint Cup bye week and the IZOD IndyCar Series is in Toronto -- after an important stop on Wednesday to announce a new engine and chassis -- so the exchange rate is just a five-item list this week. Hey, times are tough. Anyway, here's five events that have occurred or will occur this week that could have a long-term impact on motorsports. Have a comment? Send to siwriters@simail.com. You can also follow me on Twitter at twitter.com/brantjames