Mufflers
Dr. Diandra’s FAQ on Muffling NASCAR Racecars
In anticipation of the upcoming Busch Light Clash at the Coliseum, here is Dr. Diandra’s FAQ on muffling NASCAR racecars. […]
Car Parts
Aerodynamics
2023 Richmond Short Track Package Test Reflections
This week’s Richmond short track package test session — NASCAR’s latest attempt to remedy the Next Gen’s short track shortfall — fell short of expectations. Although progress was made in moving toward a softer tire with more grip and more wear, the aerodynamic experiments yielded little to no difference. […]
Brakes
Broken Brake Rotors show Next Gen’s Limits
Four of the eight ‘accidents’ listed on the official caution for yesterday’s WWTR at Gateway Cup Series race were not cars running into each other, but rather broken brake rotors. […]
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. […]
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 […]