Let’s start by pointing out that tire performance is a really, really complicated issue. There are a lot of variables involved. This post ended up getting way too long, so I’m going to address the issue in two (or three, depending on how part two goes) p… more »

Danny LaDue asks: Can you explain the location of a NASCAR oil tank reservoir and how the lack of one could improve aerodynamics? Thanks for the question, Danny. I can–with a little help from Josh Browne, Chief Race Engineer at Red Bull Racing,… more »

Early in the Las Vegas race, Elliott Sadler, Kurt Busch and Greg Biffle were all caught speeding on Pit Road. NASCAR has a speed limit on pit road for safety reasons. At Las Vegas, it's 45 mph. You can go five mph over the speed limit, but after that,… more »