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Slicks in the Wet

Mazda Miata Cooling Upgrades: Keeping Your Engine Chill on the Race Track

by Garage 56 Engineering 07 Oct 2023

The Mazda Miata, often referred to as the MX-5, has long been a favorite for both casual drivers and racers. Its lightweight build, nimble handling, and reliable engine make it an ideal choice for hitting the racetrack. However, when pushing the Miata to its limits, ensuring optimal engine temperature becomes crucial. In this blog post, we'll delve into the essential cooling enhancements and upgrades for the Miata, guaranteeing performance without the overheating hitches.

1. Upgraded Radiators

A high-quality, performance-oriented radiator can make a significant difference. While the stock Miata radiator does an adequate job for regular driving, intense racing conditions demand more. Aluminum racing radiators, known for their superior cooling efficiency, are top choices. They not only cool more effectively but are also more resilient to the stresses of racing.

2. High-Flow Thermostats

A high-flow thermostat improves the coolant flow rate, helping the engine maintain an optimal temperature. It opens at a lower temperature than the stock version, ensuring that the coolant starts circulating sooner and more effectively.

3. Silicone Coolant Hoses

Unlike the typical rubber hoses that might wear out under extreme conditions, silicone hoses are more durable and resistant to high temperatures. They ensure consistent coolant flow, even under the harshest racing conditions.

4. Oil Coolers

Remember, cooling isn't just about the coolant. An oil cooler ensures that your engine oil maintains an optimal temperature. Cooler oil means less wear on engine components, leading to a longer engine life and consistent performance.

5. Performance Cooling Fans

Swapping the stock fan for a performance cooling fan can significantly enhance airflow through the radiator. These fans operate more efficiently, drawing more air across the radiator, especially during those low-speed moments on the track where passive airflow is minimal.

6. Hood Louvers and Vents

Hood louvers and vents might seem more aesthetic than functional, but they play a crucial role. By promoting better airflow through the engine bay, they allow hot air to escape, aiding in reducing overall engine temperature.

7. Water Wetter or Coolant Additives

These additives, when mixed with your coolant, improve heat transfer and can significantly lower engine temperatures. They also help prevent rust and corrosion, ensuring longevity for your cooling system components.

Conclusion

Racing a Mazda Miata is a thrilling experience, but pushing any vehicle to its limits means generating a lot of heat. By implementing these cooling enhancements and upgrades, racers can ensure that their Miata remains a reliable track companion, minimizing the risks of overheating and maximizing performance.

Whether you're a weekend track enthusiast or gearing up for professional races, remember: keeping cool isn't just a state of mind – it's a necessity for your Miata's engine!

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