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The Nissan 370Z, equipped with the VQ37VHR engine, has garnered a reputation for its tuning potential. Enthusiasts and tuners alike have explored various modifications to unlock the maximum power potential of this robust powerplant. In this article, we will delve into how to achieve over 650 horsepower using custom-built internals and SST turbochargers.
Understanding the VQ37VHR Engine
The VQ37VHR is a 3.7-liter V6 engine known for its performance and reliability. It features a DOHC design with VVEL (Variable Valve Event and Lift) technology, which enhances efficiency and power delivery. To maximize its output, a solid understanding of its components is essential.
- Engine Type: V6, 60-degree
- Displacement: 3.7 liters
- Power Output: 332 hp (stock)
Custom Built Internals
To achieve 650+ horsepower, upgrading the internal components of the VQ37VHR is crucial. This involves replacing stock parts with high-performance alternatives that can withstand increased boost and stress.
Pistons and Rods
High-performance pistons and connecting rods are essential for handling the increased power. Forged components are recommended for their strength and durability.
- Forged Pistons: Designed to withstand high compression and boost levels.
- Forged Connecting Rods: Provide enhanced strength to handle increased power output.
Cylinder Head Modifications
Upgrading the cylinder heads can improve airflow, which is vital for achieving higher horsepower. Porting and polishing can enhance performance significantly.
- Ported Cylinder Heads: Increases airflow and improves combustion efficiency.
- Upgraded Valvetrain: Allows for higher RPMs and better performance.
SST Turbochargers
Turbocharging is one of the most effective ways to increase horsepower. SST turbochargers are known for their efficiency and ability to produce significant power gains.
Choosing the Right Turbochargers
Selecting the appropriate turbochargers is critical for achieving your horsepower goals. SST turbochargers offer various options tailored for the VQ37VHR engine.
- Size: Choose a turbo that matches your power goals.
- Response: Consider turbo response for optimal drivability.
Installation and Tuning
Proper installation and tuning are vital for maximizing the performance of SST turbochargers. A professional tuner should be consulted to ensure the engine runs smoothly at higher power levels.
Supporting Modifications
To support the increased power levels, additional modifications are necessary. These upgrades ensure the engine and drivetrain can handle the additional stress.
- Fuel System Upgrades: High-flow fuel injectors and pumps are essential.
- Cooling System Enhancements: An upgraded intercooler and radiator are recommended.
- Exhaust System: A performance exhaust system helps reduce back pressure.
Conclusion
Achieving 650+ horsepower from the Nissan 370Z VQ37VHR engine is an exciting challenge for automotive enthusiasts. By investing in custom-built internals and SST turbochargers, along with supporting modifications, drivers can unlock the full potential of this impressive engine. With the right setup, the 370Z can deliver exhilarating performance on the road or track.