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The Mazda RX-7 has long been celebrated for its lightweight design and rotary engine technology. Among the various iterations of this iconic sports car, the 13B-REW stands out, particularly for those seeking performance beyond the factory specifications. This article explores the experiences of RX-7 owners who have upgraded to the 13B-REW engine and whether the investment in horsepower exceeding 350 is truly worth it.
Understanding the 13B-REW Engine
The 13B-REW is a part of Mazda’s renowned Wankel rotary engine family. Known for its unique design and performance characteristics, this engine offers a different driving experience compared to traditional piston engines. Key features of the 13B-REW include:
- Lightweight construction
- High-revving capabilities
- Compact size
- Distinctive sound and feel
Owner Experiences with Upgrades
Many owners who have upgraded to the 13B-REW report significant changes in performance, handling, and overall driving enjoyment. Here are some common themes from owner experiences:
- Increased Power: Owners frequently mention the exhilarating boost in power, with many achieving over 350 hp with appropriate modifications.
- Improved Handling: The lightweight nature of the rotary engine contributes to better weight distribution and handling characteristics.
- Unique Sound: The distinct sound of the rotary engine is often cited as a key reason for choosing this upgrade.
- Customization: Many owners enjoy the extensive customization options available for the 13B-REW, allowing for personalized performance enhancements.
Performance Modifications
To reach and exceed the 350 hp mark, several modifications are commonly undertaken by RX-7 enthusiasts. These modifications can significantly enhance the performance of the 13B-REW engine:
- Upgraded Turbochargers: Many owners opt for larger turbochargers to increase airflow and boost pressure.
- ECU Tuning: Custom ECU tunes help optimize engine performance and fuel efficiency.
- Exhaust Systems: High-performance exhaust systems improve exhaust flow and engine response.
- Intercoolers: Upgraded intercoolers help keep intake temperatures low, enhancing performance.
Cost Considerations
Upgrading to a 13B-REW engine and achieving significant horsepower gains involves a considerable financial investment. Here are some cost factors to consider:
- Engine Cost: The price of a 13B-REW engine can vary widely depending on its condition and the seller.
- Installation Fees: Professional installation may be necessary, adding to the overall cost.
- Performance Parts: Upgrades such as turbochargers, exhaust systems, and tuning can add up quickly.
- Maintenance: Higher performance often leads to increased maintenance costs.
Reliability and Longevity
One common concern among potential 13B-REW owners is reliability. While the rotary engine is known for its unique characteristics, it also requires diligent maintenance. Here are some insights into reliability:
- Regular Maintenance: Routine oil changes and inspections are crucial for longevity.
- Heat Management: Proper cooling systems are essential to prevent overheating.
- Driving Habits: Owners who drive responsibly often report better reliability than those who push their cars to the limit.
- Community Support: The RX-7 community provides valuable resources and advice for maintaining these engines.
Conclusion: Is It Worth It?
Upgrading to a 13B-REW engine can offer thrilling performance and a unique driving experience. However, potential owners should weigh the costs, maintenance requirements, and their personal driving goals. For many enthusiasts, the joy of owning a high-powered rotary engine outweighs the challenges. Ultimately, the decision to upgrade should align with individual preferences and the desire for an exhilarating driving experience.