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The Cummins 6.7L turbocharger is a powerhouse that can deliver impressive performance for diesel enthusiasts. Whether you are looking to enhance your truck’s towing capacity or simply want to unleash more horsepower, upgrading your turbocharger is a crucial step. This article explores the best upgrades for the Cummins 6.7L turbocharger, taking you from stock performance to over 600 horsepower.
Understanding the Stock Turbocharger
The stock turbocharger in the Cummins 6.7L engine is designed to provide a balance between performance and reliability. While it performs adequately for daily driving and moderate towing, it may not meet the demands of high-performance applications. Understanding its limitations is essential for planning your upgrades.
- Stock turbo provides around 350-400 hp.
- Designed for efficiency and reliability.
- Can struggle with high boost levels.
Upgrading the Turbocharger
When it comes to upgrading, several options are available that can significantly increase horsepower and torque. Here are some of the best turbocharger upgrades for the Cummins 6.7L engine.
1. Larger Turbochargers
Upgrading to a larger turbocharger can greatly enhance performance. Larger turbos can provide more airflow and boost, translating into increased horsepower.
- He351ve Turbo: A popular choice for moderate upgrades.
- Steed Speed Twin Scroll: Excellent for maximizing efficiency.
- Industrial Injection 66mm Turbo: Capable of supporting over 600 hp.
2. Turbocharger Kits
Complete turbocharger kits often include everything needed for installation, including upgraded intercoolers and piping. These kits can provide a significant boost in performance.
- BD Diesel Performance Turbo Kit: Known for reliability and power.
- Fleece Performance Turbo Kit: Offers a great balance of performance and price.
Supporting Modifications
To maximize the potential of your upgraded turbocharger, consider additional modifications that support increased airflow and fuel delivery.
1. Upgraded Fuel System
A high-performance fuel system is essential for supporting increased horsepower. Upgrading injectors and fuel pumps can ensure that your engine receives the necessary fuel for optimal performance.
- Exergy Performance Injectors: Designed for high flow and efficiency.
- FASS Fuel Systems: Provides consistent fuel delivery.
2. High-Performance Intercoolers
Upgrading to a high-performance intercooler can help reduce intake temperatures, improving efficiency and power output. Cooler air is denser, allowing for more oxygen to enter the engine.
- BD Diesel Intercooler: Known for excellent cooling properties.
- Sinister Diesel Intercooler: Offers a significant performance boost.
Performance Tuning
After upgrading your turbocharger and supporting components, performance tuning is crucial. A custom tune can optimize fuel maps and boost levels, ensuring your engine runs efficiently.
- EFI Live: A popular tuning solution for diesel engines.
- Smarty Tuners: Offers various tuning options for different performance levels.
Conclusion
Upgrading your Cummins 6.7L turbocharger can unlock significant horsepower and torque potential. By carefully selecting turbochargers, supporting modifications, and tuning, you can transform your truck into a high-performance machine capable of exceeding 600 hp. Always remember to consider the balance between performance and reliability when making upgrades.