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The Toyota A90 Supra, equipped with the B58 engine, has captured the attention of car enthusiasts and tuners alike. With its potential for high horsepower, many aim to push the limits of this vehicle. In this article, we will break down the costs associated with building a 700 HP A90 Supra, focusing on key modifications from turbo upgrades to transmission enhancements.
Understanding the B58 Engine
The B58 engine is a 3.0-liter inline-six turbocharged powerplant that offers a solid foundation for tuning. With its robust design, it can handle significant power increases with the right modifications.
Stock Performance
Before diving into modifications, it’s essential to understand the stock performance metrics:
- Power: Approximately 335 HP
- Torque: Around 365 lb-ft
- 0-60 mph: 4.1 seconds
Cost Breakdown of Modifications
To achieve 700 HP, several key modifications are necessary. Below is a detailed cost breakdown of each component.
Turbocharger Upgrade
A turbo upgrade is one of the most critical modifications for increasing horsepower. The cost can vary based on the brand and type of turbo chosen.
- Upgraded Turbo: $2,500 – $4,000
- Installation Labor: $500 – $1,000
Fuel System Enhancements
To support higher horsepower, an upgraded fuel system is essential. This includes fuel pumps, injectors, and lines.
- High-Flow Fuel Pump: $300 – $600
- Upgraded Fuel Injectors: $600 – $1,200
- Fuel Lines: $200 – $400
- Installation Labor: $300 – $600
ECU Tuning
Proper tuning is necessary to ensure the engine runs efficiently with the new mods. This can be done through a standalone ECU or a remap of the stock ECU.
- ECU Tune: $500 – $1,500
- Dyno Testing: $300 – $600
Exhaust System Upgrade
An upgraded exhaust system helps to improve airflow, which is crucial for high horsepower builds.
- Cat-Back Exhaust System: $1,000 – $2,000
- Downpipe: $500 – $1,000
- Installation Labor: $200 – $400
Transmission Upgrades
To handle the increased power, transmission upgrades are necessary. This may include a stronger clutch and transmission cooler.
- High-Performance Clutch: $800 – $1,500
- Transmission Cooler: $300 – $600
- Installation Labor: $300 – $600
Total Estimated Costs
Now that we have broken down the costs of each modification, we can summarize the total estimated costs to achieve 700 HP:
- Turbocharger Upgrade: $3,000 – $5,000
- Fuel System Enhancements: $1,400 – $2,800
- ECU Tuning: $800 – $2,100
- Exhaust System Upgrade: $1,700 – $3,400
- Transmission Upgrades: $1,400 – $2,700
Adding these ranges together, the total estimated cost to build a 700 HP A90 Supra B58 is approximately:
- Low End: $8,300
- High End: $16,000
Conclusion
Building a 700 HP A90 Supra B58 is an exciting endeavor that requires careful planning and budgeting. With the right modifications and tuning, this vehicle can deliver thrilling performance on the road or track. Always consider professional installation and tuning to ensure the best results.