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Monday, September 25, 2023

How Powerful and Effective is 6.7 Powerstroke CCV Delete


The 6.7 Powerstroke CCV (Crankcase Ventilation) delete a modification that involves eliminating or rerouting the factory CCV system in a 6.7-litre Powerstroke diesel engine. This modification has gained popularity among truck enthusiasts and diesel engine owners seeking to optimize engine performance, reduce maintenance requirements, and potentially extend the longevity of their vehicles. In this article, we will explore the power and effectiveness of the 6.7 Powerstroke CCV delete in detail.

Overview of the CCV System:

The CCV system in diesel engines manages crankcase gases and prevents them from being released directly into the atmosphere. These gases contain various combustion byproducts, including oil vapor, unburned fuel, and contaminants. The stock CCV system re-circulates these gases back into the intake system to be burned off during combustion. However, this can lead to the buildup of carbon deposits and oil residue in the intake manifold, intercooler, and turbocharger over time.

Benefits of CCV Delete:

Here are some of the benefits of 6.7Cummins Delete Kit.

Reduced Carbon Buildup: 

One of the primary advantages of a 6.7 Powerstroke CCV delete is the reduction in carbon buildup within the intake system. The intake components remain cleaner over time by rerouting or eliminating the recirculation of crankcase gases. This can improve airflow and more efficient combustion, enhancing engine performance and throttle response.

Minimized Intake Contamination: 

Without re-circulating oil vapors and contaminants, the intercooler and turbocharger are less prone to fouling and reduced heat exchange efficiency. This can improve overall cooling and efficiency, allowing the engine to operate optimally.

Improved Longevity:

Reducing carbon buildup and contaminants can extend component life. Eliminating excessive oil deposits can help maintain the integrity of seals, gaskets, and other engine components, potentially reducing the likelihood of premature wear and leaks.

Enhanced Fuel Efficiency: 

A cleaner intake system and improved combustion efficiency can lead to better fuel combustion. This may result in improved fuel efficiency, allowing the engine to extract more energy from the fuel and achieve better miles per gallon (MPG) figures.

Reduced Maintenance: 

With fewer oil contaminants entering the intake system, maintenance requirements for cleaning and maintaining the intercooler, intake manifold, and turbocharger may be reduced. This can save both time and money over the life of the vehicle.

Customization and Tuning: 

The 6.7 Powerstroke CCV delete is often favored by enthusiasts and those interested in engine tuning. After performing the delete, users may recalibrate the engine control unit (ECU) to further optimize performance. This can involve adjusting parameters such as fuel injection timing, boost pressure, and air-to-fuel ratios to achieve desired power levels and efficiency.

Considerations and Implications:

It’s important to note that while the 6.7 Powerstroke CCV delete offers potential benefits, and there are considerations to keep in mind:

Emissions Regulations: 

Removing or modifying emissions control systems may be illegal depending on your region. Before performing a CCV delete, ensure you comply with local emissions regulations.

Warranty and Factory Support: 

Deleting emissions control systems can void manufacturer warranties, and some dealerships may refuse service on modified vehicles. Consider the potential impact on warranty coverage before making modifications.

Expert Installation: 

Proper installation is crucial for optimal results. It’s recommended to have the CCV delete performed by a professional with experience in diesel engine modifications to ensure proper fitment and functionality.


The 6.7 Powerstroke CCV delete can be a powerful and effective modification for enhancing engine performance, reducing maintenance, and promoting longevity. However, it’s important to approach this modification with a clear understanding of potential legal and warranty implications. The CCV delete can contribute to a more efficient, responsive, and durable diesel engine when done correctly and responsibly.

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