Precision Turbo 6766 vs 6758: Which Is Better for Your Toyota Supra?

The Toyota Supra has long been a favorite among car enthusiasts, particularly those interested in tuning and performance upgrades. Among the various modifications available, upgrading the turbocharger is one of the most impactful changes you can make. In this article, we will compare two popular options from Precision Turbo: the 6766 and the 6758. Both are excellent choices, but which one is better suited for your Toyota Supra?

Understanding Turbocharger Specifications

Before diving into the comparison, it’s essential to understand what specifications matter when choosing a turbocharger. Key factors include:

  • Compressor size
  • Turbine size
  • Boost pressure
  • Response time
  • Power potential

Precision Turbo 6766 Overview

The Precision Turbo 6766 is a popular choice for those looking to achieve higher horsepower levels without sacrificing response time. Here are some key specifications:

  • Compressor Inducer Diameter: 67mm
  • Compressor Exducer Diameter: 66mm
  • Turbine Inducer Diameter: 74mm
  • Turbine Exducer Diameter: 66mm
  • Power Potential: 700+ HP

Precision Turbo 6758 Overview

The Precision Turbo 6758 offers a slightly smaller option that still provides impressive performance. Here are its specifications:

  • Compressor Inducer Diameter: 67mm
  • Compressor Exducer Diameter: 58mm
  • Turbine Inducer Diameter: 74mm
  • Turbine Exducer Diameter: 58mm
  • Power Potential: 600+ HP

Performance Comparison

When comparing the performance of these two turbochargers, several factors come into play:

  • Power Output: The 6766 has a higher power potential, making it suitable for those aiming for extreme performance.
  • Response Time: The 6758 may provide a quicker spool time, making it more responsive in lower RPMs.
  • Boost Levels: Both turbos can achieve high boost levels, but the 6766 may require more supporting mods to reach its full potential.

Installation Considerations

Installing either turbocharger will require some modifications to your Toyota Supra. Here are some installation considerations:

  • Upgraded fuel system may be necessary for both turbos.
  • Exhaust system modifications may be required for optimal performance.
  • ECU tuning is essential to maximize the gains from either turbo.

Cost Analysis

Cost is always a factor when upgrading your vehicle. Here’s a general breakdown of the costs associated with each turbo:

  • Precision Turbo 6766: Typically priced higher due to its higher power potential.
  • Precision Turbo 6758: More budget-friendly option, suitable for those not needing extreme power.

Which Turbocharger is Right for You?

Choosing between the Precision Turbo 6766 and 6758 ultimately depends on your goals for your Toyota Supra. Consider the following:

  • If you’re aiming for maximum horsepower and are willing to invest in supporting modifications, the 6766 is the better choice.
  • If you prefer a balance of performance and responsiveness, the 6758 may be more suitable.

Conclusion

Both the Precision Turbo 6766 and 6758 offer unique advantages for Toyota Supra owners. By carefully considering your performance goals, budget, and installation requirements, you can make an informed decision that enhances your driving experience. Whether you choose the 6766 for its power potential or the 6758 for its responsiveness, both options will provide a significant upgrade to your vehicle’s performance.