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Upgrading the turbocharger on a Cummins engine can significantly enhance performance and reliability. Two popular options for enthusiasts and professionals are the Holset HE351VE and the Garrett GTP38. In this article, we will compare these two turbochargers in terms of power delivery, reliability, and overall performance to help you make an informed choice.
Overview of Holset HE351VE
The Holset HE351VE is a variable geometry turbocharger known for its efficiency and responsiveness. It is commonly used in various Cummins diesel engines, particularly in the 5.9L and 6.7L models. Its design allows for optimal performance across a wide range of RPMs.
- Key Features:
- Variable geometry technology for improved spool time.
- Integrated wastegate for better boost control.
- Robust construction for durability.
- Performance:
- Offers excellent low-end torque.
- Improves throttle response.
Overview of Garrett GTP38
The Garrett GTP38 is another popular turbocharger option for Cummins engines, particularly favored for its ability to handle higher power outputs. It is designed with a focus on reliability and performance under heavy loads.
- Key Features:
- High-flow design for increased horsepower potential.
- Durable components for longevity.
- Available in various trim options to suit different applications.
- Performance:
- Excellent for high RPM performance.
- Provides a significant boost in horsepower when tuned properly.
Power Delivery Comparison
When it comes to power delivery, both the Holset HE351VE and the Garrett GTP38 have their strengths. The choice between the two often depends on the specific application and driving style.
Holset HE351VE Power Delivery
The HE351VE excels in delivering power at lower RPMs. Its variable geometry design allows for quicker spool-up, making it an excellent choice for towing and everyday driving. Users often report:
- Improved low-end torque, making it easier to accelerate from a stop.
- Responsive throttle, enhancing driving experience in city conditions.
Garrett GTP38 Power Delivery
The GTP38 is designed for performance enthusiasts looking to maximize horsepower. It shines at higher RPMs, making it suitable for racing and performance applications. Key points include:
- Higher peak horsepower capabilities compared to the HE351VE.
- Less responsive at low RPMs, which may affect daily drivability.
Reliability and Durability
Reliability is crucial when selecting a turbocharger, especially for heavy-duty applications. Both the Holset HE351VE and Garrett GTP38 are built to last, but they have different strengths.
Holset HE351VE Reliability
The HE351VE is known for its robust build quality and reliability. Its design minimizes wear and tear, making it a favorite among those who prioritize longevity. Users have noted:
- Long service life with proper maintenance.
- Less prone to failure under normal driving conditions.
Garrett GTP38 Reliability
The GTP38 is also built for durability, but it may require more attention when pushed to its limits. It is essential to ensure proper tuning and maintenance to avoid issues. Key considerations include:
- Can handle high power levels but may experience increased wear.
- Regular maintenance is crucial for optimal performance.
Cost Considerations
Cost is always a factor when upgrading components. The prices of the Holset HE351VE and Garrett GTP38 can vary based on availability and specific configurations.
- Holset HE351VE: Generally more affordable, making it an attractive option for those on a budget.
- Garrett GTP38: Typically more expensive, reflecting its performance capabilities and high-flow design.
Conclusion
In conclusion, both the Holset HE351VE and Garrett GTP38 offer unique advantages for Cummins turbo upgrades. The HE351VE is ideal for those seeking reliability and low-end power, while the GTP38 is suited for performance enthusiasts looking for maximum horsepower. Ultimately, the choice depends on your specific needs and driving style.
Consider your application, budget, and performance goals to make the best decision for your Cummins engine. Whichever turbocharger you choose, proper installation and tuning will ensure you get the most out of your upgrade.