"It's just stupid. I don't know," Zipadelli said.
"Those (Grand-Am) cars have a lot more downforce built into them," said Greg Zipadelli, crew chief for Joey Logano's No. 20 Toyota at Joe Gibbs Racing. "These cars are way off those cars. I think that's why you don't see us racing in the rain. The Nationwide cars don't have the torque these cars do. That's why they can race in the rain."