NASCAR seems to be growing a bit of a spine when it comes to punishing teams when rule infractions are found, as the penalties just doled out for various trangressions at this years Daytone 500 include:

Robbie Reiser, crew chief for Kenseth, and Kenny Francis, crew chief for Kahne, were kicked out of Daytona International Speedway [...]

Much of the NASCAR vroomset recently descended on Las Vegas to test out the reconfigured Las Vegas Motor Speedway, with Kasey Kahne leading the pack with the fastest lap of 184.685 mph.
That’s considerably faster than Greg Biffle’s pole speed of 172.403 for the 2006 NASCAR Nextel Cup race at LVMS, thanks mostly to the reconstruction that turned [...]