The Risk: With lows plunging to 11°F, brake rotors face "thermal shock"—rapid cracking caused by heating freezing metal too quickly on the short track [1].
The Trap: Because this is an Impound Race, teams cannot swap parts freely. Crew Chief Adam Stevens warns:
Teams are mandated to use dry nitrogen. On this track, tire pressure builds by 23 PSI during a run [4]. Any moisture in standard air would expand unpredictably in the cold, ruining the setup [5].
While 40 truckloads of snow were removed, the melt-refreeze cycle is turning local roads into "ice rinks" at night [6]. NASCAR confirms they have wet-weather tires but will not race in an active storm [7].
To generate grip in the cold, Joe Gibbs Racing may run left-side tires at single-digit pressures (near flat) to maximize the contact patch on the frozen asphalt [8].
| Time (ET) | Event | Notes |
|---|---|---|
| 11:30 AM | Parking Open | Shuttles begin 12:00 PM |
| 1:30 PM | Practice & Qualifying | Top 20 Lock In. (FOX Sports App) |
| 4:30 PM | Last Chance Qualifier | 75 Laps. Top 2 Advance. (FOX) |
| 6:00 PM | Cook Out Clash | 200 Laps. Green Flag Only. (FOX) |