Why is racing in Mexico City challenging?
The high altitude (over 7,000 feet) reduces air density, affecting engine power, cooling, and fuel consumption.
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Racing / NASCAR
NASCAR Viva Mexico 250: Engine Challenges and How to Watch
The NASCAR Cup Series heads to Mexico City for the NASCAR Viva Mexico 250, marking the first race in Mexico since 2008. Taking place at the Autódromo Hermanos Rodríguez, this race presents unique engineering challenges due to the track's hi...
Key Insights
- The Autódromo Hermanos Rodríguez is over 7,000 feet above sea level, leading to a 22% reduction in air density.
- Hendrick Motorsports' powertrain director, Scott Maxim, emphasized the challenge of building engines optimized for high altitude with limited reference points.
- Teams must adjust engine calibration and cooling systems to compensate for the thinner air.
- NASCAR is allowing two practice sessions to help teams fine-tune their setups for the unique conditions.
- The Viva Mexico 250 presents an opportunity for NASCAR to reach new audiences and showcase the sport internationally.
In-Depth Analysis
The Autódromo Hermanos Rodríguez presents several engineering challenges due to its high altitude. The thinner air reduces engine power by approximately 22%, forcing teams to recalibrate their engines and cooling systems. Hendrick Motorsports, led by powertrain director Scott Maxim, has been working to optimize engine performance under these conditions.
**Engine Adjustments:** Engineers are using data from road courses and simulations to build engines that can withstand the thin air pressure. The engine RPM range remains broad, from 3,500 to 9,000 RPM, but the power band needs to be optimized for corner exits and straightaways to provide drivers with passing opportunities.
**Cooling Systems:** The reduced air density affects the efficiency of cooling systems, including engine, water, oil, transaxle, and driver cooling. Teams are making adjustments to improve airflow and prevent overheating.
**Weekend Schedule:** - Friday: Cup Series Practice #1 & #2 (Prime Video), Xfinity Series Practice #1 & #2 (The CW App) - Saturday: Xfinity Series Qualifying (The CW App), Cup Series Qualifying (Prime Video), Xfinity Series Race - The Chilango 150 (The CW) - Sunday: Cup Series Race - Viva Mexico 250 (Prime Video), NASCAR Driver Cam - Viva Mexico 250 (Max)
**How to Watch:** The NASCAR Viva Mexico 250 will be streamed on Amazon Prime Video. Practice and qualifying sessions will be available on Prime Video and The CW App. An alternate driver-cam will be available on Max.
FAQ
How can I watch the NASCAR Viva Mexico 250?
The race will be streamed live on Amazon Prime Video on Sunday, June 15, at 3 p.m. ET.
Takeaways
- The NASCAR Viva Mexico 250 is a unique race due to its high-altitude location.
- Engine performance and cooling systems are critical factors for success.
- You can watch the race and related events on Amazon Prime Video, The CW App, and Max.
- NASCAR's expansion into Mexico provides opportunities for the sport to gain new fans.
Discussion
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