Although there is a lot of science behind bump drafting, the act of bump drafting is an art. Even the experienced bump drafters are surprised by the touchiness of the cars this year.
One thing you will hear a lot as soon as coverage of practice starts Wednesday will be speculation about possible changes to the pop-off valve on the radiator. What is a pop-off valve and how will it affect the Daytona 500? Here’s the answer:
As we turn on the (new) engines to start the season, the twitterverse is getting even more full of people debating the NASCAR EFI system. Is it like the EFI in production cars? Is it throttle body? Is it multiport? Here are the answers:
The short answer: Carbs suck and EFI squirts.
The long answer can be found in the video that follows.