Daytona 500
The Next Gen Wheel
DAYTONA: NASCAR levied two NextGen wheel-related penalties, but did not penalize teams from whom they confiscated wheels before the race. […]
Car Parts
Building Cars
The NextGen Chassis
The NextGen chassis evolves the NASCAR-designed Car of Tomorrow chassis. Let’s examine what’s different and what’s the same. […]
Car Parts
Car Failures and DNFs
Car failures that knock a car out of a race have gone down over time. But not, perhaps, the way you might expect […]
Aerodynamics
Explainer: Engine and Aero Packages 2019-2021
Mix-and-match engine and aero packages were used from 2019-2021. Here’s what each one was and where it was used. […]
Engines
Why NASCAR Engines are Not Spec Engines
NASCAR mandates a 750-hp package and a 550-hp package. That’s led a lot of people to suggest that this is really no better than a spec engine. Here’s why that’s far from true. […]
Cooling
Does Qualifying Matter at Talladega?
50% of races won at Talladega are won by drivers starting from the first two rows. Can you win if you don’t qualify well? […]
Aerodynamics
NASCAR: Caps, Limits and Level Playing Fields
Every sport faces it: One, or a few, teams pull ahead because they can spend more money than anyone else. Those teams and their fans are fine, but it means the league has failed to […]
Aerodynamics
Brad Keselowski: The Smartest Driver in NASCAR
Brad Keselowski may not have an engineering degree or years and years of experience, but I’m ready to nominate him as the Smartest Driver in NASCAR. He is a man with a plan and it’s […]
Aerodynamic Forces
Will You Be Able to Tell if NASCAR Cars are Slower in 2019?
When is the answer to better racing slower cars? It just might be for NASCAR. Note: This post analyzes the change in speed due to the new rules package. Please don’t interpret it as my […]
Aerodynamics
The 2019 Rules Package: The Tapered Spacer
NASCAR announced the 2019 rules package last week. Reactions from fans ranged from wait-and-see to despair to a surprising amount of anger. […]