NASCAR, however, mandates cars use tapered spacers to reduce the amount of air flowing into engines — thus limiting horsepower and speed. The power-sapping safety measure was first installed ...

NASCAR has had one guiding principle throughout its 77-year history: keep racing. Fuel crisis? Keep racing. Driver strike? Keep racing. Manufacturers pull out? Keep racing. A legend dies at Daytona?

It’s NASCAR’s turn to throw its version of the Super Bowl, and the Daytona 500 is trying hard to match the hype. Captain America actor Anthony Mackie and even President Donald Trump are ...