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Tag Archives: fuel additive overdosing

Carbon Cleaners, Fuel Addtives, Fuel System Cleaning

Using Fuel Additives at Higher Dosages – Overdosing

March 13, 2015 Andy 14 Comments

A question I am regularly asked is whether fuel additives can be added at a higher dose or added to less fuel in order to make a stronger concentrate, and whether this is more beneficial.

The answer in most cases is no. This is because additives are specifically designed to work with a certain amount of fuel. This ensures that any deposits are removed and dispersed in a controlled manner and that too many deposits aren’t purged through the system at once.

Polyetheramine-based cleaners, for example, work much better when treating the correct amount of fuel (i.e. a full tank of fuel) and allowing the chemistry to gradually remove deposits in a controlled way. If you add a cleaner designed for sixty litres of fuel to ten litres of fuel, not only do you run the risk of removing deposits too quickly but you also lose the benefit of the extended duration that sixty litres will provide.

The reason for this is that many additives are designed to work with fuel flow where the actual action of removing deposits requires the fuel to be in motion. Therefore, deposits are removed layer by layer as the fuel is moving through the system. The stronger the concentrate – and the less fuel that is treated – the lesser the amount of total motion that occurs.

Therefore, do not be tempted to treat with a much higher concentrate except when professionally instructed to do so and when, for example, a heavily-contaminated fuel injector requires urgent attention. In this instance some cleaners can be safely added directly to the fuel rail or fuel filter. However, this is a procedure that should be carried out by a professional and is not really relevant to in-the-tank fuel cleaners.

Another question we are regularly asked is why some additives require a lot of product, whereas others require such a small amount?

An example we’ll use here is a high-strength cleaner, such as Archoil’s AR6400, which requires 400 ml to treat a full tank, versus their fuel conditioner AR6900-D MAX, which is treated at a ratio of 1,000 to 1. 400ml vs 50ml.

So, why is this?

Different chemistries work in different ways. High-strength cleaners in particular generally require a much larger volume of chemistry, polyetheramine being one of them.  Such cleaning power requires volume.

Some fuel conditioners act differently as there are nano-detergents that will provide an effective clean over a gradual period of time but with substantially less volume. For comparison, if you added AR6400 or AR6400D concentrate (or a similar product) to a full tank of fuel, you would start to notice a difference within ten to twenty miles of driving if there were excessive fuel system deposits. That is how quickly some concentrate cleaners work. With a fuel conditioner such as AR6200 or AR6900, noticeable improvements might take a few tanks. Rapid cleaning requires a volume of chemistry. Gradual cleaning, however, can be achieved at a nano level. Although cleaning takes long, it requires a very small amount of chemistry.

The concept behind AR6900 was very simple and this, we believe, should be the objective of all fuel conditioners – To deliver as many benefits as possible with the smallest amount of product possible.

Archoil has succeeded in producing a product that does as much as it possibly can at the nano level. This includes protecting against water, fuel contamination and corrosion, lubricating and cleaning the fuel system, removing carbon through the use of the catalyst, and improving the quality of combustion to improve MPG, etc. All of these benefits are achieved at the nano level; therefore, only a very small amount of the product is required.

What AR6200 or AR6900 cannot do is clean rapidly or provide additional anti-waxing protection because these processes require much higher volumes of chemistry. Also, the additives in these products are not necessarily about the chemistry themselves. The chemistry is there to deliver a process. Imagine adding a couple of drops of concentrated black dye to a bath of clean water. You will find that that dye will disperse very quickly and make the water black or gray depending on the amount of dye. AR6200 works in a similar way. It disperses very quickly, delivers a process, and produces the benefits that are described.

Andy

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