Cost Breakdown: Building a 650 Hp A90 Supra B58 with Forged Internals and Custom Fuel Kits

The A90 Supra B58 has taken the automotive world by storm, offering a perfect blend of performance and style. For enthusiasts looking to push the limits, building a 650 HP version of the A90 Supra with forged internals and custom fuel kits is an exciting yet demanding project. In this article, we will break down the costs associated with such an endeavor.

Overview of the A90 Supra B58

The A90 Supra is powered by a 3.0-liter inline-six engine known as the B58. This engine is known for its robust performance, but to reach 650 HP, several modifications are necessary. Below, we will outline the essential components and their associated costs.

Key Components for Building 650 HP

  • Forged Internals
  • Custom Fuel Kits
  • Turbocharger Upgrade
  • ECU Tuning
  • Exhaust System
  • Cooling System Enhancements

Forged Internals

To handle the increased power, forged internals are critical. This includes pistons, rods, and crankshafts that can withstand higher pressures.

  • Forged Pistons: $1,200
  • Forged Connecting Rods: $900
  • Forged Crankshaft: $1,500

Custom Fuel Kits

Upgrading the fuel system is essential for delivering the necessary fuel to support 650 HP. Custom fuel kits typically include high-flow injectors and fuel pumps.

  • High-Flow Fuel Injectors: $600
  • Upgraded Fuel Pump: $400
  • Fuel Lines and Fittings: $200

Turbocharger Upgrade

To achieve the desired horsepower, a turbocharger upgrade is necessary. This will significantly increase airflow and boost pressure.

  • Upgraded Turbocharger: $2,500
  • Turbo Kit Installation: $1,000

ECU Tuning

Proper ECU tuning is crucial to ensure the engine runs efficiently with the new modifications. This involves adjusting fuel maps and boost levels.

  • ECU Tuning Software: $500
  • Tuning Service: $600

Exhaust System

An upgraded exhaust system improves airflow and enhances the sound of the vehicle. A high-performance exhaust is a must-have for this build.

  • High-Performance Exhaust System: $1,200
  • Installation Costs: $300

Cooling System Enhancements

To support higher power levels, the cooling system must be upgraded. This includes a larger intercooler and improved radiator.

  • Upgraded Intercooler: $800
  • High-Performance Radiator: $600

Total Cost Breakdown

Now that we’ve outlined the major components, let’s summarize the total costs involved in building a 650 HP A90 Supra B58.

  • Forged Internals: $3,600
  • Custom Fuel Kits: $1,200
  • Turbocharger Upgrade: $3,500
  • ECU Tuning: $1,100
  • Exhaust System: $1,500
  • Cooling System Enhancements: $1,400

Total Estimated Cost: $12,400

Conclusion

Building a 650 HP A90 Supra B58 with forged internals and custom fuel kits is a significant investment but can lead to an exhilarating driving experience. By carefully selecting components and understanding the associated costs, enthusiasts can successfully achieve their performance goals.