Rain Tires
What we Know about the Abnormal Tire Wear at Bristol
The Bristol 2024 race set lead change record for short tracks, but only because of abnormal tire wear. Let’s investigate why. […]
Rubber
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 […]
Charlotte Motor Speedway
Did the All-Star Race Kill the Idea of Two Types of Tires in NASCAR for Good?
Not even the most talented publicity person could convince NASCAR fans that the idea of giving teams a choice of a ‘soft’ tire and a ‘regular’ tire was a good idea based on the sole […]
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 […]
Auto Club Speedway of California
A Band Aid for NASCAR’s Tire Bleeding Problem
There are three things you don’t mess with in NASCAR: engines, fuel and tires.
Tuesday, NASCAR handed down a P5 penalty – the penultimate penalty on the books – to Ryan Newman’s 31 team. Crew Chief Luke Lambert was suspended six races, fined $125,000, and Newman and his owner Richard Childress were each docked 75 points. The tire specialist and team engineer were suspended for six races as well. RCR is appealing the penalty, but I wager they’ve got an uphill battle.
NASCAR’s made its stand loud and clear in the last few weeks. Tire bleeding will not be allowed. If you persist in trying, they’ll come down hard on you. […]
Energy
Do Tires Affect Gas Mileage?
When winning means a few hundredths of a second, nothing is too small to be ignored. I’ve talked a lot about energy and the importance of using it as efficiently as possible in racing. Gasoline provides a […]
Goodyear
Required vs. Recommended Tire Pressures
Running on underinflated tires can be dangerous. Underinflated tires they create more friction and more heat, which leads to not only bad handling, but also can produce structural problems. […]
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 […]