Best Single Turbo vs Twin Turbo for Your Nissan Gt-r R35: Selection, Installation, and Power Gains

The Nissan GT-R R35 is a legendary sports car known for its impressive performance and tuning potential. One of the most significant modifications enthusiasts consider is upgrading the turbocharging system. In this article, we will explore the differences between single turbo and twin turbo setups for the Nissan GT-R R35, including selection criteria, installation processes, and potential power gains.

Understanding Turbocharging

Turbocharging is a method of forced induction that enhances an engine’s efficiency and power output by forcing more air into the combustion chamber. This process allows for more fuel to be burned, resulting in increased horsepower and torque.

Single Turbo vs. Twin Turbo

When it comes to turbocharging the Nissan GT-R R35, enthusiasts often debate between single turbo and twin turbo setups. Each configuration has its advantages and disadvantages, which can influence the decision based on the desired performance characteristics.

Single Turbo Setup

A single turbo setup uses one large turbocharger to increase the engine’s power. This configuration can provide several benefits:

  • Simplicity: Fewer components make installation and maintenance easier.
  • Potential for higher power gains: A larger turbo can produce more boost and power at higher RPMs.
  • Weight savings: A single turbo system is generally lighter than a twin setup.

However, there are also drawbacks to consider:

  • Turbo lag: Larger turbos can take longer to spool, leading to a delay in power delivery.
  • Heat management: A single turbo can generate more heat, requiring better cooling solutions.

Twin Turbo Setup

A twin turbo setup utilizes two smaller turbochargers, each connected to separate banks of cylinders. This configuration offers its own set of advantages:

  • Reduced turbo lag: Smaller turbos spool up faster, providing quicker power delivery.
  • Better low-end torque: Twin turbos can enhance drivability, especially at lower RPMs.

On the downside, twin turbo setups can present challenges:

  • Complexity: More components can lead to more potential points of failure.
  • Weight: Additional turbos and piping can add weight to the vehicle.

Selection Criteria

Choosing between a single and twin turbo setup for your Nissan GT-R R35 depends on several factors. Here are some key criteria to consider:

  • Power goals: Define your target horsepower and torque levels.
  • Driving style: Consider how you plan to use your GT-R, whether for daily driving or track use.
  • Budget: Evaluate the cost of parts, installation, and potential tuning required.
  • Maintenance: Assess your willingness to perform regular maintenance on a more complex system.

Installation Process

Installing a turbocharging system on a Nissan GT-R R35 is a complex task that requires mechanical expertise. Below are the general steps involved in the installation process for both single and twin turbo setups.

Single Turbo Installation

The installation of a single turbo system typically involves the following steps:

  • Remove the existing turbo and exhaust manifold.
  • Install the new turbocharger and associated piping.
  • Upgrade the fuel system and intercooler if necessary.
  • Install a new exhaust system to accommodate the larger turbo.
  • Connect the necessary oil and coolant lines.
  • Reinstall any components removed during the process.
  • Tune the engine for optimal performance.

Twin Turbo Installation

The installation of a twin turbo system generally follows similar steps, with additional complexity:

  • Remove the existing turbochargers and exhaust manifolds.
  • Install the new twin turbochargers and associated piping.
  • Upgrade the fuel system and intercooler to support increased airflow.
  • Install a new exhaust system designed for twin turbos.
  • Connect oil and coolant lines for both turbos.
  • Reinstall components removed during the installation.
  • Tune the engine for balanced performance across both turbos.

Power Gains

Both single and twin turbo setups can yield significant power gains for the Nissan GT-R R35, but the extent of these gains can vary based on the configuration and tuning.

Expected Gains from Single Turbo

A well-chosen single turbo can produce impressive power numbers, with gains typically in the range of:

  • 400 to 800+ horsepower depending on the turbo size and tuning.
  • Increased torque across the powerband, especially at high RPMs.

Expected Gains from Twin Turbo

Twin turbo setups can also achieve remarkable power gains, often resulting in:

  • 400 to 1000+ horsepower with proper tuning and supporting modifications.
  • Enhanced low-end torque for better acceleration from a standstill.

Conclusion

Deciding between a single turbo and twin turbo setup for your Nissan GT-R R35 ultimately comes down to personal preference, driving style, and performance goals. Both options offer unique advantages that can significantly enhance the driving experience. It is essential to consider your specific needs and consult with a professional tuner to achieve the best results.