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The 13B-REW engine, known for its unique rotary design, has garnered attention among automotive enthusiasts and tuners. As the demand for performance upgrades grows, many are left wondering: Is a built 13B-REW worth the investment? This article delves into the cost versus power gains associated with Stage 3 builds of the 13B-REW.
Understanding the 13B-REW Engine
The 13B-REW is a part of Mazda’s renowned Wankel rotary engine family. Known for its lightweight design and high-revving capabilities, the 13B-REW is often favored in motorsport applications. However, its performance potential can be significantly enhanced with the right modifications.
Stage 3 Build Overview
A Stage 3 build typically involves extensive modifications to achieve higher performance levels. This includes upgrades to the turbocharger, fuel system, and exhaust, as well as internal engine modifications. The goal is to maximize the engine’s output while maintaining reliability.
Key Components of a Stage 3 Build
- Upgraded turbocharger
- High-flow fuel injectors
- Performance exhaust system
- Aftermarket engine management system
- Internal engine modifications (porting, balancing)
Cost Analysis
Building a Stage 3 13B-REW can be a significant financial commitment. Here’s a breakdown of the potential costs involved:
- Base engine cost: $2,500 – $4,000
- Turbocharger upgrade: $1,000 – $3,000
- Fuel system enhancements: $500 – $1,500
- Exhaust system: $500 – $1,200
- Engine management system: $1,000 – $2,000
- Labor costs: $1,500 – $3,000
In total, a complete Stage 3 build can range from $7,000 to $15,700 or more, depending on the choices made and the labor involved.
Power Gains from a Stage 3 Build
The power gains from a Stage 3 build can be impressive. Typically, enthusiasts report increases in horsepower and torque that significantly enhance the driving experience.
Expected Performance Metrics
- Stock 13B-REW: Approx. 250 hp
- Stage 1 Build: Approx. 300-350 hp
- Stage 2 Build: Approx. 350-400 hp
- Stage 3 Build: Approx. 400-500 hp
These figures demonstrate the potential for dramatic performance enhancements, making the Stage 3 build an attractive option for those seeking power.
Is It Worth the Investment?
Determining whether a built 13B-REW is worth it depends on individual goals and budget. Here are some factors to consider:
- Performance Goals: If achieving high horsepower is a priority, the investment may be justified.
- Budget: Consider whether the performance gains align with your financial capacity.
- Reliability: Higher power outputs can sometimes compromise engine longevity.
- Usage: Track enthusiasts may find the build more worthwhile compared to daily drivers.
Ultimately, the decision comes down to personal preferences and intended use of the vehicle.
Conclusion
A built 13B-REW can offer substantial power gains, particularly with a Stage 3 build. However, the costs involved are significant, and potential buyers should weigh their performance aspirations against their budget and expectations for reliability. For many, the thrill of driving a high-powered rotary engine can make the investment worthwhile.