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The 6.4 Powerstroke engine is a popular choice for heavy-duty trucks and requires the best quality oil to maintain its performance. The recommended oil for the 6.4 Powerstroke engine is Shell Rotella T6 Full Synthetic 5W-40.
This type of oil provides the best protection against engine wear, high-temperature deposits, and corrosion. When choosing the best oil for the 6.4 Powerstroke engine, it’s important to consider factors such as the engine’s mileage, whether it’s deleted or not, and the oil capacity.
An oil cooler for the 6.4 Powerstroke engine can improve the engine’s overall performance and increase its lifespan. It’s also crucial to use Ford-approved oil for the 6.4 Powerstroke engine and follow the recommended oil change schedule.
Related: 6 Best Oil for 6.0 Powerstroke: A Buyer’s Guide
Top 4 Oils for 6.4 Powerstroke Engine Reviews
1: Shell Rotella T6 Full Synthetic 5W-40 Diesel Engine Oil
Shell Rotella T6 Full Synthetic 5W-40 Diesel Engine Oil is a high-performance engine oil designed for heavy-duty diesel engines. It provides excellent wear protection, heat resistance, and low-temperature performance, making it an excellent choice for the 6.4 Powerstroke engine.
The fully synthetic formulation of this engine oil provides superior engine cleanliness and extended drain intervals, reducing maintenance costs and increasing engine life.
One of the most notable features of the Shell Rotella T6 Full Synthetic 5W-40 Diesel Engine Oil is its advanced low ash formulation, which helps to reduce exhaust emissions and maintain the performance of exhaust after-treatment systems.
This engine oil also provides excellent protection against deposits and sludge, ensuring that the engine remains clean and operating at peak performance.
Pros:
- Great oil, smooth running
- Advanced low ash formulation for reduced exhaust emissions
- Provides excellent engine cleanliness and extended drain intervals
- Excellent low-temperature performance for cold starts
- Suitable for use in a wide range of heavy-duty diesel engines
Cons:
- A few users have reported that pure black after 5k miles
- Not available in certain areas
2: Valvoline Premium Blue Extreme SAE 5W-40 Full Synthetic
Valvoline Premium Blue Extreme is a full synthetic diesel engine oil designed for use in heavy-duty diesel engines, including the 6.4 Powerstroke.
It offers exceptional protection against wear, deposits, and oil breakdown, which can help extend engine life and improve overall performance.
This oil has been tested and approved by many of the leading diesel engine manufacturers, making it a reliable choice for those who demand the best.
Pros:
- Provides excellent protection against engine wear
- Helps prevent deposits and sludge buildup
- Maintains viscosity even under extreme conditions
- Meets or exceeds industry performance standards
- Approved by leading diesel engine manufacturers
Cons:
- May not fit certain engines
3: Amazon Basics Full Synthetic Motor Oil – 5W-30
Amazon Basics Full Synthetic Motor Oil is a high-quality synthetic oil that is designed to provide excellent protection for your engine.
It is suitable for use in a wide range of vehicles, including those with the 6.4 Powerstroke engine. This oil has been formulated to help reduce engine wear, extend engine life, and improve fuel efficiency.
It is also compatible with both gasoline and diesel engines, making it a versatile choice for those who need an all-purpose oil.
Pros:
- Provides excellent engine protection
- Helps improve fuel efficiency
- Compatible with both gasoline and diesel engines
- Meets or exceeds industry performance standards
- Affordable price point
Cons:
- A few users have reported that they experienced leaks after using this oil, although this is also a rare occurrence
4: Shell Rotella T5 Synthetic Blend 15W-40 Diesel Engine Oil
The Shell Rotella T5 Synthetic Blend 15W-40 Diesel Engine Oil is another high-quality product from Shell. It is a synthetic blend oil that provides excellent protection and performance for diesel engines.
This oil offers improved wear protection, deposit control, and oil consumption control. Its advanced synthetic blend formula provides better low-temperature flow and high-temperature stability, making it an ideal choice for extreme temperatures and heavy-duty applications.
This oil meets or exceeds various industry specifications, including API CK-4 and CJ-4.
Pros:
- Excellent wear protection and deposit control
- Improved oil consumption control
- Advanced synthetic blend formula for better low-temperature flow and high-temperature stability
- Meets or exceeds various industry specifications
Cons:
- Expensive
Advantages of Synthetic Oil for 6.4 Powerstroke
Synthetic oil is a popular option for those looking to maximize the performance of their 6.4 Powerstroke engine.
1. Better performance in extreme temperatures: Synthetic oil is better equipped to handle extreme temperatures, which can be a common occurrence in high-performance engines. It can remain stable in extreme heat and provide better lubrication in cold temperatures.
2. Longer lifespan: Synthetic oil has a longer lifespan than conventional oil, meaning you can go longer between oil changes. This can save you both time and money in the long run.
3. Improved fuel economy: Synthetic oil has less internal resistance, which can improve fuel economy. This means that you’ll get better gas mileage and save money on fuel costs.
4. Reduced engine wear: Synthetic oil provides better lubrication and reduces engine wear, which can help your engine last longer and perform better over time.
Learn More: 6 Best Oil for 6.0 Powerstroke: A Buyer’s Guide
Choosing the Perfect Oil for Your 6.4 Powerstroke Engine
The 6.4 Powerstroke engine is a powerful machine that requires the right kind of oil to ensure maximum performance and longevity. With so many options available in the market, it can be overwhelming to choose the best oil for your engine.
Understand the Viscosity Grade
The viscosity grade is an important factor to consider when choosing the right oil for your 6.4 Powerstroke engine. The viscosity grade determines the oil’s thickness, and it can affect the engine’s performance in various conditions. It’s essential to select the right viscosity grade based on your engine’s requirements, weather conditions, and driving style.
Look for the API Certification
When choosing the oil for your 6.4 Powerstroke engine, look for the American Petroleum Institute (API) certification. The API certification indicates that the oil meets the performance standards set by the API, and it’s suitable for use in your engine. The certification ensures that the oil has been tested and approved for use in modern diesel engines.
Consider the Additives
Different oils come with different additives that can help enhance your engine’s performance. Some additives can help prevent wear and tear, reduce engine deposits, and improve fuel economy. Consider the additives that come with the oil to ensure maximum engine protection and performance.
Choose Synthetic Oil
Synthetic oil is a better choice for your 6.4 Powerstroke engine because it offers superior engine protection, performance, and longevity. Synthetic oil provides better resistance to heat, oxidation, and breakdown, and it flows more freely in cold temperatures. It’s also more durable and requires less frequent oil changes.
Check the Manufacturer’s Recommendations
It’s essential to check the manufacturer’s recommendations for your 6.4 Powerstroke engine. The manufacturer’s recommendations provide specific guidelines for the type of oil that you should use in your engine. Following the manufacturer’s recommendations can help ensure that you’re using the right oil for your engine.
Properly Maintaining Oil in 6.4 Powerstroke Engine
1. Regular oil changes: Regular oil changes are crucial to the health of your engine. It’s important to follow the manufacturer’s recommended oil change schedule and use the proper oil for your engine.
2. Checking oil levels: It’s important to regularly check your oil levels and top off as needed. Low oil levels can lead to engine damage.
3. Checking for leaks: Check for oil leaks regularly and fix them promptly. Leaks can lead to low oil levels and engine damage.
4. Using quality oil filters: It’s important to use high-quality oil filters that are designed for your specific engine. This can help ensure that your engine is getting the proper lubrication it needs.
Read More: Best Penetrating Oils Reviews
Oil Capacity’s Impact on 6.4 Powerstroke Performance and Maintenance
The 6.4 Powerstroke engine’s oil capacity is an essential factor to consider when maintaining the engine’s performance and longevity. The engine requires an oil change every 5,000 miles, and the recommended oil capacity is 15 quarts. Maintaining the engine’s oil capacity is critical to keep the engine’s performance at its best.
1. Maintains Engine Performance: Proper oil capacity ensures that the engine has enough oil to lubricate its moving parts, which is essential to maintain the engine’s performance.
2. Prevents Engine Wear: An insufficient amount of oil in the engine can cause the engine’s components to wear out faster.
3. Enhances Engine Longevity: Adequate oil capacity can extend the engine’s lifespan by reducing the strain on the engine.
Maintaining proper oil capacity is crucial to avoid engine damage and maintain the 6.4 powerstroke engine’s performance. Keeping track of oil levels and topping up oil as necessary can help prevent engine damage, which can be costly to repair.
Oil Quality’s Impact on 6.4 Powerstroke Engine Performance and Longevity
1. The quality of the oil used in a 6.4 Powerstroke engine directly impacts its performance and longevity.
2. Synthetic oils are generally preferred for this engine because they provide better lubrication and can withstand high temperatures and pressures.
3. Using high-quality oil with the correct viscosity rating is essential to ensure that the engine operates at optimal performance levels and that all components are adequately lubricated.
4. Low-quality or contaminated oil can cause engine damage, leading to costly repairs or engine failure.
5. Regularly changing the oil and oil filter according to the manufacturer’s recommendations is vital for maintaining the engine’s performance and longevity.
Common problems with the 6.4 Powerstroke
The 6.4 powerstroke engine is known for its impressive power and durability, but like any other engine, it can experience issues over time. Here are some of the most common problems with the 6.4 powerstroke and their causes and fixes:
1. EGR System Issues
The Exhaust Gas Recirculation (EGR) system is responsible for reducing NOx emissions. Over time, the EGR system can become clogged with carbon deposits, leading to reduced engine performance and increased emissions. The solution is to clean or replace the EGR system components, or install an EGR delete kit.
2. Fuel Injector Failure
The 6.4 powerstroke is equipped with piezoelectric fuel injectors that can fail due to high pressures and temperatures. Symptoms of injector failure include rough idling, misfires, and poor fuel economy. The fix is to replace the failed injectors with high-quality replacements.
3. Turbocharger Failure
The turbocharger on the 6.4 powerstroke can experience issues due to excessive heat or lack of maintenance. Symptoms of turbocharger failure include loss of power and black smoke from the exhaust. The solution is to replace the failed turbocharger with a high-quality replacement, and to perform regular maintenance on the turbocharger system.
4. High-Pressure Fuel Pump Failure
The high-pressure fuel pump on the 6.4 powerstroke can fail due to metal fatigue or contamination from dirt and debris. Symptoms of high-pressure fuel pump failure include low fuel pressure and reduced engine power. The solution is to replace the failed fuel pump with a high-quality replacement.
5. Head Gasket Failure
The 6.4 powerstroke can experience head gasket failure due to overheating or improper installation. Symptoms of head gasket failure include white smoke from the exhaust, engine overheating, and loss of engine power. The fix is to replace the failed head gasket and perform a thorough inspection of the cooling system to prevent future failures.
Learn More: Can Low Oil Cause Check Engine Light To Come On?
FAQs
What type of oil is best for a 6.4 Powerstroke engine?
It is recommended to use synthetic diesel engine oil with a viscosity grade of 5W-40 or 15W-40.
How often should I change the oil in my 6.4 Powerstroke engine?
The oil should be changed every 7,500 miles or every six months, whichever comes first.
Can I use conventional motor oil in my 6.4 Powerstroke engine?
While it is possible to use conventional motor oil, it is not recommended for optimal engine performance and longevity.
Does using the wrong oil affect the performance of my 6.4 Powerstroke engine?
Yes, using the wrong oil can lead to decreased engine performance and increased wear and tear on engine components.
What oil filter should I use for my 6.4 Powerstroke engine?
It is recommended to use an OEM (original equipment manufacturer) oil filter or a high-quality aftermarket oil filter that meets OEM specifications.
Can I extend the oil change interval with synthetic oil in my 6.4 Powerstroke engine?
Yes, synthetic oil can often extend the oil change interval, but it is still recommended to follow the manufacturer’s guidelines for oil change intervals.
Does the oil capacity of my 6.4 Powerstroke engine affect its performance?
Yes, ensuring the engine has the proper oil capacity is important for optimal engine performance and longevity. It is recommended to always use the manufacturer’s recommended oil capacity.