Cost Breakdown: Building a 550 Hp Vq35 with Tomei Internals and Custom Fabrication

The Nissan VQ35 engine has gained a reputation for its performance and tuning potential. When aiming for a power output of 550 horsepower, enthusiasts often turn to high-quality components such as Tomei internals and custom fabrication. In this article, we will break down the costs associated with building a 550 hp VQ35 engine.

Understanding the VQ35 Engine

The VQ35 is a 3.5-liter V6 engine that has been used in various Nissan and Infiniti models. Its robust design and ability to handle significant horsepower make it a popular choice among tuners. To achieve 550 hp, several modifications are necessary, including upgrading internals, forced induction, and custom fabrication.

Cost Breakdown

1. Engine Internals

Upgrading the internals of the VQ35 is crucial for achieving high horsepower. The following components are typically required:

  • Tomei Piston Set: $800
  • Tomei Rods: $1,200
  • Upgraded Bearings: $200
  • Performance Camshafts: $1,000
  • Valves and Springs: $600

The total cost for engine internals comes to approximately $3,900.

2. Forced Induction

To reach the 550 hp target, forced induction is often necessary. Options include superchargers or turbochargers. Here’s a breakdown of typical costs:

  • Turbocharger Kit: $2,500
  • Intercooler: $500
  • Wastegate: $300
  • Blow-off Valve: $200
  • Fuel System Upgrades: $600

The total cost for forced induction components is around $4,100.

3. Custom Fabrication

Custom fabrication is often required for exhaust systems, intake piping, and mounting brackets. The costs can vary significantly based on the complexity of the work. Here’s an estimate:

  • Custom Exhaust System: $1,000
  • Intake Piping: $500
  • Mounting Brackets: $300
  • Miscellaneous Fabrication: $500

The total cost for custom fabrication is approximately $2,300.

4. Engine Management and Tuning

A proper engine management system is crucial for tuning the VQ35 to safely achieve 550 hp. Costs include:

  • Standalone ECU: $1,200
  • Tuning Session: $500

The estimated total for engine management and tuning is $1,700.

5. Labor Costs

Labor costs can vary based on location and the expertise of the shop. A rough estimate for labor involved in building the engine is:

  • Engine Build Labor: $1,500
  • Fabrication Labor: $800

The total labor cost is approximately $2,300.

Overall Cost Summary

Now that we have broken down the costs, let’s summarize the total expenses involved in building a 550 hp VQ35:

  • Engine Internals: $3,900
  • Forced Induction: $4,100
  • Custom Fabrication: $2,300
  • Engine Management and Tuning: $1,700
  • Labor Costs: $2,300

The total estimated cost for building a 550 hp VQ35 engine is approximately $14,300.

Conclusion

Building a 550 hp VQ35 with Tomei internals and custom fabrication is a significant investment. However, for performance enthusiasts, the rewards of increased power and driving excitement can be well worth the cost. Proper planning and budgeting can help ensure a successful build that meets your performance goals.