Asphalt
2026 New Hampshire: What to Watch
With the threat of rain looming, here are a few things to watch for the 2026 New Hampshire NASCAR race. […]
Asphalt
Air Titan
The Scientific Secrets of PJ1 Track Bite
NASCAR’s continued struggle to balance cost, safety and competitiveness led to using PJ1 Track Bite in 2017 at Bristol Motor Speedway. Since then it’s been used (mostly successfully) at other tracks. So what is it […]
Asphalt
How to Make Grippier Racetracks Using Spy Technology
If PJ1 TrackBite isn’t the Solution, What is? Dale Earnhardt, Jr. suggested tracks stop using PJ1 Trackbite because it didn’t work well in Charlotte last weekend. He called for additional research to understand how the […]
Asphalt
Thermography: A New Weapon in the NASCAR Arsenal
What’s Wrong With this Cow? Can you tell? If you said the cow is the wrong color, you’re close. But there’s more to the story. And What’s That Got to Do with NASCAR? Competition in […]
Asphalt
How Tracks Take and Lose Rubber
The two words we heard most frequently last week in Pocono (after “still raining”) were “green racetrack”. Rain doesn’t just delay racing. When the race is finally run after a rain delay, it’s run on […]
Asphalt
Are SAFER Barriers Everywhere the Solution?
TL;DR: No. As the extent of Kyle Busch’s injury Saturday evening at Daytona became evident, Twitter erupted in angry calls for SAFER barriers to be put up on every wall at every track. An interesting division […]
Asphalt
Goodyear Tracking Change
Repaving is the last possible remedy a track wants to use, but when potholes (see: Daytona) show up, there is no choice but to tear up the old asphalt and replace it with new, fresh […]
Asphalt
Whose Fault Is It? Tires or Track?
There were 15 cautions last week at Kansas Speedway and at least 15 drivers complaining that driving on the repaved track surface was like driving on ‘razor blades’. “The worst racetrack I’ve ever driven on.” […]
Asphalt
In the Zone: Goodyear’s New Tire Design
Kansas marks the second appearance of Goodyear’s “Multi-Zone Tread Tire”, which was first used at Atlanta Motor Speedway over Labor Day weekend. Stop for a moment to appreciate the challenge Goodyear has to face each […]
Asphalt
Dover: Why Concrete Races Differently than Asphalt
One of the questions you’ll hear drivers and crew chiefs asked a lot this weekend at Dover is how the concrete track affects the racing. Here’s how: […]