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Mineral spirits are a combination of C7-C12 length hydrocarbons and are commonly used as a fuel additive for diesel to clean the injection system. They can be mixed with diesel fuel to clean the fuel system and improve engine performance. However, mineral spirits have zero lubricity, so running them straight into an engine may tear it up. Mixing mineral spirits with diesel fuel can be effective for cleaning parts washers, but it may not be ideal for long-term storage due to the risk of algae growth. While some people have successfully used mineral spirits for cleaning fuel systems, others recommend using biodiesel or alternative methods such as kerosene or fuel additives.
| Characteristics | Values |
|---|---|
| Can mineral spirits be mixed with diesel fuel? | Yes, mineral spirits can be mixed with diesel fuel. |
| Is the combination dangerous? | No, it is not dangerous. |
| Can mineral spirits be used as fuel? | No, mineral spirits should not be used as fuel as it has zero lubricity and its ignition properties would tear up the engine. |
| Can mineral spirits be used to clean fuel systems? | Yes, mineral spirits can be used to clean fuel systems. |
| Can mineral oil be used as fuel? | No, mineral oil is not suitable for use as fuel in diesel engines due to its viscosity and low-temperature performance. |
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What You'll Learn
Mineral spirits can be used as a solvent to clean fuel systems
Mineral spirits are a combination of C7-C12 length hydrocarbons, which can be used as a solvent to clean fuel systems. Mineral spirits are commonly used as a fuel additive for diesel to clean the injection system. It is also used to clean parts washers. Mineral spirits can be mixed with diesel fuel without danger, but algae can grow in diesel, so it may not be ideal for long-term storage.
Mineral spirits can be used to clean fuel systems in diesel engines. An experienced diesel mechanic recommends running the engine almost out of fuel, filling the tank with 5 gallons of mineral spirits, driving it through as completely as possible, and then filling up the tank with fresh diesel. This process is said to result in like-new engine performance.
However, some sources suggest that mineral spirits may be too dry and could potentially harm fuel systems. It is recommended that users do plenty of research before using mineral spirits in their fuel systems. It is also important to note that mineral spirits have zero lubricity, so they should not be run straight into an engine as this could cause damage.
Some people use mineral spirits mixed with diesel as a parts washer. One user has been doing this for twenty years without any problems with biological growth. However, another user points out that algae can grow in diesel, so it may not be ideal for long-term storage in a parts washer.
Mineral spirits can also be used as a solvent with waste oils. It should be blended at 15-20% with WMO or WVO, or 10% with WATF and other hydraulic oils.
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Mineral spirits can be mixed with diesel fuel
One method of cleaning out a fuel system is to run the tank almost empty, fill it with 5 gallons of mineral spirits, drive it through completely, and then fill the tank with fresh diesel fuel. This method has been recommended by an experienced diesel mechanic and he claims to have used it for years without any issues.
Another method of cleaning a fuel system is to mix 2 gallons of clean vegetable oil with 5 gallons of diesel fuel and dump it into the tank. This method is supposed to be cheaper and safer, and it will also keep the system clean. However, it is important to note that the system may get clogged quickly and the fuel filter may need to be changed.
While mineral spirits can be mixed with diesel fuel, some people have expressed concerns about its dryness and potential to harm the system. It is recommended to do thorough research before using mineral spirits in diesel fuel, as there may be safer alternatives available, such as biodiesel or kerosene.
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Mineral spirits are a combination of C7-C12 length hydrocarbons
Mineral spirits, also known as white spirits, are a petroleum-derived clear liquid used as a solvent in painting and decorating. They are composed primarily of aliphatic hydrocarbons with carbon chain lengths of C7 to C12. This means they have straight or branched chains without aromatic (benzene ring) structures. The boiling point of mineral spirits ranges from 150°C to 200°C, and their flash point is typically around 38°C, making them less flammable than some other solvents. Mineral spirits have a mild odour due to the lack of aromatic compounds, and they are highly refined with fewer impurities. They are often used for thinning oil-based paints and varnishes, cleaning brushes, rollers, and spray equipment, as well as degreasing and cleaning surfaces before painting.
Mineral spirits are also used in the creation of some automotive fuel/oil additives, such as Marvel Mystery Oil, due to their ability to dissolve varnish and sludge buildup. In addition, mineral spirits can be used to clean fuel systems in diesel engines. Some people have suggested mixing mineral spirits with diesel fuel in a parts washer, but this may not be effective as the mineral spirits would have to do all the cleaning. It is important to note that mineral spirits have zero lubricity, so they should not be run straight in an engine as it could cause damage. However, they can be mixed with diesel fuel or used as a solvent in making W85.
The various types of white spirit or mineral spirits are produced as distillation fractions from naphtha or kerosene components of crude petroleum. Kerosene distillation occurs due to different boiling point components, resulting in three hydrocarbon fractions. The initial distillation fraction is known as zero white spirit, which has about 20% or more aromatic composition. Hydrogenation processes can be used to produce solvents with fewer aromatic compounds, resulting in low aromatic white spirit. This type of white spirit is a complex combination of hydrocarbons obtained from refinery processes.
White spirit has a characteristic unpleasant kerosene-like odour, but chemical manufacturers have developed low-odour versions that contain fewer of the highly volatile shorter hydrocarbons. Odorless mineral spirits have been refined to remove toxic aromatic compounds and are recommended for applications such as oil painting, where humans have close contact with the solvent. White spirit is often used in screen printing to clean and unclog screens after printing with oil-based inks. It is also used as a thinner for inks in monoprints and inside liquid-filled compasses and gauges.
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Mineral spirits are commonly used as a fuel additive for diesel
Mineral spirits are indeed commonly used as a fuel additive for diesel engines. However, it is important to note that mineral spirits should not be used on their own as fuel, as they have zero lubricity, and their ignition properties could damage your engine.
Mineral spirits are a combination of C7-C12 length hydrocarbons, whereas gasoline is C4-C12. This means that mineral spirits are a type of hydrocarbon with a longer carbon chain than gasoline. Mineral spirits are commonly used as a solvent or paint thinner, and they are effective at cleaning fuel injection systems. They can also be used to clean parts washers, although some people advise against this as algae can grow in diesel fuel, which could be an issue if you are storing the mixture for a long time.
When using mineral spirits as a fuel additive for diesel, it is recommended to mix them at a rate of 15-20% with waste oils, or 10% with hydraulic oils. Some people also recommend using a cleaner specifically meant for diesel engines, such as Howes Meaner Cleaner, rather than mineral spirits.
It is also worth noting that today's diesel fuels have lower lubrication properties than they used to, so adding mineral spirits may not be the best solution for addressing rough idling issues. Instead, it may be more effective to use a dedicated injector cleaner or a product like Power Service additive. Additionally, it is important to be cautious when mixing different types of fuel and additives, as some combinations may not be safe. For example, one source mentions that transformer oil, a type of mineral oil, contains additives that are not friendly to living organisms when burned. Therefore, it is always important to do your research and consult expert advice before using any fuel additives.
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Mineral spirits are not suitable to run in engines on their own
Some people have suggested using mineral spirits as a fuel additive when their engine has a rough idle. However, it is important to note that mineral spirits will cut the lubricity of the already poor lube qualities of the current Ultra Low Sulfur fuel. It is recommended to use a cleaner specifically meant for cleaning diesel engines, such as Howes Meaner Cleaner, rather than mineral spirits or ATF.
There are other alternatives to using mineral spirits to clean the fuel system. One suggestion is to use biodiesel or a mixture of clean vegetable oil and diesel fuel. This has the added benefit of keeping the system clean. Another suggestion is to use kerosene, which is considered a safer alternative.
Additionally, it is important to consider the type of engine and injection system when deciding whether to use mineral spirits. Older engines may be more compatible with mineral spirits, but newer engines, such as those with High-Pressure Common Rail (HPCR) injection systems, may be more sensitive to the use of mineral spirits.
In summary, while mineral spirits can be mixed with diesel fuel, they should not be used on their own in an engine. There are alternative methods and substances that can be used to clean the fuel system, and it is important to consider the potential risks and compatibility with specific engine types before using mineral spirits.
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Frequently asked questions
Yes, mineral spirits can be mixed with diesel fuel and used in a parts washer. However, mineral spirits have zero lubricity and can tear up your engine if run straight.
Yes, mineral spirits are often used as a fuel additive for diesel to clean the injection system. However, it is recommended to use a cleaner specifically meant for diesel, such as Howes Meaner Cleaner.
Yes, it is common to use the same transfer tank for gasoline and diesel, and a small amount of mineral spirit contamination will not be an issue.
