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Rules

Phoenix International Raceway

2023 Spring Phoenix Practice Report

2023-03-11 dr. diandra 10

The 2023 spring Phoenix practice report features a new short-track package, some speedy veterans, and four confiscated louvers. […]

2022

2022 Penalties by Team and Race

2022-11-16 dr. diandra 1

Detailed information about penalties by team and by race for the 2022 NASCAR Cup Series
[…]

A pie chart showing the reasons for which cars were sent to the back for all races in 2021
Penalties

2021 To The Back: NASCAR by the Numbers

2021-12-08 dr. diandra 0

Our 2021 to-the-back roundup honors those teams that managed to incur penalties before the green flag. Let’s look at who got their knuckles slapped by NASCAR this year. […]

2021 penalties incurred by crew shown as a pie chart separating out the different types of penalties
Penalties

2021 Penalties

2021-12-02 dr. diandra 2

2021 penalties were down, but let’s take a deep dive into how and why, including how the change in schedule impacted penalties. […]

Aerodynamics

Explainer: Engine and Aero Packages 2019-2021

2021-09-22 dr. diandra 0

Mix-and-match engine and aero packages were used from 2019-2021. Here’s what each one was and where it was used. […]

Racing

The Holy Grail of Racing: One Car for All Tracks

2021-07-02 dr. diandra 0

One car for all tracks means racing competitively on everything from superspeedways to road courses. NASCAR is still working on it. […]

2020 Rules Package

Did NASCAR’s Short-Track Package Solve its Short-Track Problem?

2020-03-10 dr. diandra 0

Although Sunday’s race at Phoenix was encouraging, one data point is not enough evidence to prove that NASCAR’s short-track package has solved its short-track problem. I guarantee you that the engineers at the NASCAR R&D […]

Aerodynamics

One NASCAR Rules Package for All Tracks?

2020-01-14 dr. diandra 6

NASCAR wants to cut costs for teams by developing a rules package that, with minimal tweaking, provides good racing at any track. The 2019 rules package met with mixed results. Races were mostly better at […]

Drivers

NASCAR Numbers 2019: Part 2 — The Drivers

2019-12-20 dr. diandra 5

Sixty-four drivers in 46 different car numbers ran for 37 full-schedule and 10 limited-schedule teams in 2019. But how did they do? And how does that compare to 2018? In my last post, I examined […]

Penalties

NASCAR’s Penalty Box: Uncontrolled Tires

2019-07-26 dr. diandra 4

NASCAR changed the ‘arms-length uncontrolled-tire penalty’ after pressure from fans and drivers who complained that the rule was too subjective. Does the new rule solve those penalty problems? Does NASCAR Need an Uncontrolled Tire Rule? […]

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