
Everyday Diesel Treatment (EDT) is a popular diesel fuel additive that improves fuel economy, power, and performance. It is engineered to resolve issues with today's Ultra-Low Sulfur Diesel (ULSD) fuel. EDT contains a cetane booster, which enhances power and fuel economy, and it also acts as a lubricant, reducing wear and tear on fuel injectors and fuel pumps. The recommended dosage of EDT is 1 oz for every 3 gallons of diesel fuel, or 1 oz for every 25 gallons of diesel fuel for a premium dose. Diesel fuel additives are designed to improve the performance and longevity of diesel engines, and it is recommended to use additives at each fill-up to maintain optimal engine health.
Diesel Fuel Additive Characteristics
| Characteristics | Values |
|---|---|
| Recommended Use | Everyday Diesel Treatment (EDT) is recommended for all diesel engines, including Tier 4 compliant engines, and can also be used in furnace fuel oil. |
| Benefits | Improves fuel economy, power, performance, and overall protection of diesel fuel systems. |
| Additive Ratio | The treatment ratio is generally 1:400, with 1 oz of additive treating 3 gallons of diesel fuel. |
| Premium Dose | 1 oz treats 25 gallons of diesel fuel; a 16 oz bottle treats 400 gallons. |
| Performance Dose | 2 oz treats 25 gallons of diesel fuel; a 16 oz bottle treats 200 gallons. |
| Winter Use | In cold weather, use Diesel Winter Anti-Gel to prevent fuel gelling and protect against fuel-filter icing. |
| Engine Cleanliness | EDT cleans fuel injectors and maintains their efficiency. It also improves diesel fuel lubricity, reducing wear and ensuring compliance with lubrication recommendations. |
| Cost | The added cost is around 3 cents per gallon, but the benefits are reported to outweigh the cost. |
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What You'll Learn

Everyday Diesel Treatment (EDT)
The key benefits of EDT include:
- Improved combustion and ignition efficiency, resulting in increased power and fuel economy.
- Enhanced fuel stability and reduced misfiring, leading to lower emissions and noise levels.
- Protection against piston ring and rod bearing damage due to controlled pressure buildup.
- Fuel injector cleaning and maintenance, ensuring proper spray patterns and improved efficiency.
- Maximum protection for fuel system components, particularly fuel injectors and fuel pumps.
- Improved diesel fuel lubricity by up to 26%, reducing wear and meeting Engine Manufacturer's Association (EMA) standards.
- Combating moisture through water dispersants, rust and corrosion inhibitors, and fuel stabilizers.
When using EDT, it is recommended to add it at each fill-up for consistent performance and protection. The dosage depends on the desired level of treatment:
- Premium Dose: 1 oz treats 25 gallons of diesel fuel; a 16 oz bottle treats 400 gallons.
- Performance Dose: 2 oz treats 25 gallons of diesel fuel; a 16 oz bottle treats 200 gallons.
In cold climates, it is advised to switch to Diesel Winter Anti-Gel for gelling protection, and in extremely cold conditions, Diesel 911 can be used to restore diesel flow in engines with gelled fuel or frozen fuel filters. Additionally, for long-term maintenance, it is recommended to use Diesel Extreme every 6,000 miles to deep clean the entire fuel system, including injectors, and remove any deposits or moisture accumulation.
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Premium dose vs performance dose
Everyday Diesel Treatment (EDT) is a concentrated 6-in-1 diesel additive that improves fuel economy, power, and performance, and provides overall protection to diesel fuel systems. It is recommended for all diesel engines, including semi-trucks, pickup trucks, farm equipment, and autos. EDT is also effective in furnace fuel oil, improving fuel utilization and operation without producing harmful emissions.
The amount of EDT to be used depends on the desired dosage, which can be either a premium dose or a performance dose.
The premium dose of EDT involves adding 1 ounce of the additive to treat 25 gallons of diesel fuel. A 16-ounce bottle of EDT is sufficient for treating 400 gallons of diesel fuel. This dosage is suitable for regular use and provides all the benefits of EDT, including improved power, prevention of rust, and a boost in cetane levels of up to 7 points.
On the other hand, the performance dose of EDT requires a higher concentration of the additive. For this dosage, 2 ounces of EDT are added to treat 25 gallons of diesel fuel, and a 16-ounce bottle is enough for 200 gallons of diesel fuel. While the performance dose may not significantly boost cetane levels due to the presence of other additives and lubricants, it still offers the same benefits as the premium dose, just at a higher concentration.
The choice between the premium dose and the performance dose depends on the specific needs and requirements of the engine and the user's preferences. Some individuals opt for a performance dose to achieve maximum power and performance, especially in competitive or demanding driving conditions. Others may choose the premium dose for regular maintenance and to ensure the engine remains in good condition.
It is worth noting that the effectiveness of EDT is enhanced when combined with proper engine maintenance, such as regular servicing, oil changes, and fuel filter replacements. Additionally, in cold weather conditions, it is recommended to use a winter version of EDT, known as Diesel Winter Anti-Gel, to prevent fuel gelling and protect against fuel filter icing.
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Benefits of diesel fuel additives
The use of diesel fuel additives can bring about a range of benefits, from improving engine performance to protecting engines and fuel systems.
Firstly, diesel fuel additives can improve combustion and ignition efficiency, resulting in enhanced fuel economy and a cleaner, more stable fuel. This is achieved through the use of cetane boosters, which increase the diesel fuel's ignition quality, leading to a smoother engine operation and reduced emissions.
Secondly, diesel fuel additives can provide protection for fuel systems and their components, particularly fuel injectors and fuel pumps. By improving the fuel's lubricity, additives can generate a protective layer on system components, reducing friction and preventing premature wear and tear. This is especially beneficial for low-sulphur diesel, which has lower natural lubricating characteristics.
Thirdly, diesel fuel additives can help prevent fuel gelling in winter, ensuring the fuel flows freely and reducing the risk of fuel filter blockages and engine failures. This is a common issue with diesel fuel as it contains paraffin, which starts to gel in cold temperatures, causing blockages in fuel filters and tanks.
Lastly, some diesel fuel additives can act as fuel stabilizers, preventing the degradation of fuel and protecting engine components from rust. This, in turn, can extend the fuel's longevity.
It is important to note that while diesel fuel additives can provide these benefits, it is always recommended to consult a professional and ensure the additive is compatible with your vehicle before use. Additionally, the amount of diesel fuel additive required per gallon may vary depending on the specific product and its intended use.
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Calculating the right amount
The right amount of diesel fuel additive to use depends on the type of additive and your desired outcome. Some additives are designed for everyday use, while others are meant for specific purposes, such as deep cleaning your fuel system or preventing fuel from gelling in cold weather. Everyday diesel treatment additives typically come with dosage instructions on the packaging. For example, Hot Shot's Secret Everyday Diesel Treatment recommends using their product at each fill-up for the best performance and protection of your diesel engine. Their website provides dosage instructions for their premium and performance doses. With a premium dose, 1 oz treats 25 gallons of diesel fuel, while a 16 oz bottle treats 400 gallons. For a performance dose, 2 oz treats 25 gallons, and a 16 oz bottle treats 200 gallons.
Other additive manufacturers, such as Power Service, also provide treatment ratios for their products. Their Diesel Kleen +Cetane Boost product, for instance, recommends a treatment ratio of 1:400, which means adding 1 oz of the product to every 3 gallons of diesel fuel.
Customer reviews of diesel fuel additives can also provide insight into how much additive to use. One customer who used Power Service's Diesel Fuel Supplement +Cetane Boost reported using 8 oz of the additive for every tank of fuel in their Ford 7.3.
To ensure you are using the correct amount of additive, you can use an online fuel additive calculator. These tools are designed to help you calculate the right amount of additive for your specific needs and tank size, ensuring optimal fuel protection and performance.
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Winter fuel considerations
Winter weather can be challenging for diesel-powered vehicles, especially commercial trucks. To ensure your vehicle remains operational during the colder months, it is essential to prepare your diesel engine for winter and consider transitioning to winter grade diesel fuel or using suitable additives.
Firstly, it is important to understand the unique properties of diesel fuel and how it behaves in cold weather. Diesel fuel is prone to "waxing" or "gelling" in low temperatures, which refers to the solidification of diesel oil into a partially crystalline state. This process begins at the fuel's "Cloud Point", where the presence of wax crystals gives the fuel a cloudy appearance. As the temperature continues to drop, the wax crystals build up in the fuel line and fuel filters, eventually clogging them and starving the engine of fuel, causing it to stop running.
To prevent these issues, there are several considerations and actions you can take:
- Test your battery before winter sets in to ensure it can handle the increased load in colder temperatures. Consider replacing a weak battery to avoid no-start situations.
- Regularly check and maintain your tire pressure according to the manufacturer's recommendations for cold weather. Consider switching to winter tires if you experience heavy snowfall.
- Use tools like glow plugs and block heaters to warm up the engine before driving, preventing damage and ensuring a smoother operation.
- If you have access to winter-grade diesel fuel, you can transition to this type of fuel to improve performance in cold weather. Winter diesel fuel is treated with additives that change its low-temperature characteristics, preventing gelling.
- If winter-grade diesel fuel is not accessible, additives are a viable alternative. Additives help prevent the formation of wax crystals, improve fuel flow, and protect against fuel-filter icing. Products like Hot Shot's Secret Diesel Winter Anti-Gel and Power Service Diesel 911 are designed for winter operability.
- When using additives, follow the specified instructions for the amount to add per gallon of diesel fuel. For example, a 1:400 treatment ratio would mean adding 1 oz of additive to every 3 gallons of diesel fuel.
- Add the specified amount of additive to the fuel tank before refuelling to ensure proper mixing.
- Store fuel tanks in a sheltered area and insulate them, along with insulating tanks, filters, and fuel lines, to maintain fuel temperature and prevent gelling.
By following these considerations and taking preventive measures, you can ensure the optimal performance of your diesel-powered vehicles during the winter season.
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Frequently asked questions
Diesel fuel additives are concentrated formulas that aim to improve fuel economy, power, performance, and overall protection of diesel fuel systems.
The amount of additive needed depends on the product and its purpose. Everyday Diesel Treatment (EDT), for example, recommends a premium dose of 1 oz for every 25 gallons of diesel fuel. For a performance dose, 2 oz of EDT treats 25 gallons of diesel fuel.
Diesel fuel additives can improve combustion and ignition efficiency, enhance fuel economy, and maintain fuel in a clean and stabilized condition. They can also provide maximum protection for fuel systems and their components, such as fuel injectors and fuel pumps.
Yes, in cold climates, diesel additives like Diesel Winter Anti-Gel can be used to prevent fuel gelling and protect against fuel-filter icing. It is recommended to use these additives at each fill-up for optimal performance and protection.











































