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Way2go
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Fuel Catalyst

Post by Way2go » 07 Jun 2013

This fuel catalyst (which is not an additive) was mentioned on the other side. Do you think this actually works and gives a significant benefit. [chin] Or is it in the Emperor's new clothes league? :?

A page below from the web for reference:

Seller wrote:SOME QUESTIONS ANSWERED

What exactly is Broquet?
What does it do?
How does it work?
How can it reduce exhaust emissions?
What about use of unleaded petrol?
Will I need to retard the engine if I use unleaded?
Will it be suitable for my car?
How is it fitted?
How long does it last?
How much will I save?
What is your guarantee?

What exactly is Broquet? The catalyst itself is a tin alloy compound manufactured as a number of "pellets" (each about 22 mm in diameter). The catalyst is only effective in the presence of mild steel and the pellets are either wrapped in a mesh for insertion directly into a fuel tank or contained in a steel cartridge which is fitted directly into an engine fuel line. It is generally more cost-effective to purchase the "in-tank" version for cars and smaller engines.

What does it do? The catalyst institutes a change to the fuel itself, petrol or diesel, which leads to a much more efficient combustion process. It is this improved combustion that provides the key to many of the benefits of the catalyst. As a catalyst, in a chemical sense, it does not itself measurably change but enhances other chemical processes. In fact the use of tin, as a catalytic reagent, is well documented.

How does it work? Scientists do not fully understand the exact catalytic mechanism that takes place (this is not as surprising as it may seem as there are many catalytic processes that are not fully understood). Accepting however that such a mechanism does take place and quoting from a scientific source the most likely effect of Broquet is as follows:- "Basically, the product of the reaction (as a catalyst for chemical reactions) is a molecular species which has more favourable combustion characteristics than its precursors. The molecular structure has probably been altered in such a way as to permit the sequential oxidative reaction steps, which comprise combustion reactions, to proceed in a more smooth and rapid manner. This, in turn leads to more complete oxidation of the fuel. Hence, better mpg values, and lower emissions in exhaust gases. The fact that the chemical oxidation process has been made more smooth and complete means the chemical potential energy available in the fuel is better utilised. If the combustion (or "explosion"; as the process is a very rapid one) occurs more smoothly/evenly, the efficiency of the energy transfer to the piston will be increased. This will lead to smoother engine running. Another result will be cooler running of the engine, because less energy is wasted as heat due to inefficient energy transfer within the system."

How can it reduce exhaust emissions? The two gases tested at the MOT (for petrol engines) are CO (carbon monoxide) and THC (total hydrocarbons, in essence unburnt fuel). Each are products of incomplete combustion and a more efficient combustion process will reduce both CO and THC emissions. Since Broquet improves the combustion process these emissions will be greatly reduced. Reductions brought about by Broquet are substantial and we have many letters from customers saying how surprised their testing station has been when the car exhaust emissions have been analysed during tuning or at the annual MOT.

What about use of unleaded petrol? Many older petrol engines require the lead added to petrol to protect valves and especially valve seats. Prolonged use of unleaded would be likely to lead to valve seat recession as the seat material is not suitable for the higher combustion temperatures associated with use of unleaded. Fuel treated with Broquet burns more efficiently and the overheating that could lead to these problems simply does not occur. "Leaded-only" engines using unleaded courtesy of Broquet have now completed well over 200 million miles collectively without problems.

Will I need to retard the engine if I use unleaded? The great majority of engines designed to run on 4-Star leaded can switch to the lower octane unleaded without the need for "detuning". This is because the improved combustion process effectively allows the engine to run as well, or even better, despite the use of a lower octane fuel. Similarly engines that would normally require the compression to be reduced (many Volvos, for example) can switch to unleaded after Broquet is fitted without expensive engine adjustments. Occasionally we have reports of some minor pinking after Broquet is fitted but this can be overcome by a minor timing adjustment of usually 1-2 degrees which will not result in loss of performance.

Will it be suitable for my car? Yes! In the sense Broquet is not engine specific as it is the fuel combustion characteristics that are being improved which must be beneficial for any engine.

How is it fitted? The in-tank unit is a solid object 5 inches long and 1 inch in diameter which needs to rest freely in the bottom of the fuel tank. Very often it will slide down the filler pipe but it is not flexible and will not go around any severe bends and it won't go through an anti-siphon device. It will not go down the narrow gauge (unleaded only) filler pipe in cars fitted with catalytic converters. The alternatives are to remove the gaiter that often joins the bottom of the filler to the tank itself or to remove the fuel gauge (sender unit) and place the unit directly into the tank.

How long does it last? As the unit acts as a catalyst it is not really changing in itself - it does not slowly dissolve, for example, and will be effective for at least 250,000 miles. In effect a "one-off" treatment which will more than outlast the life of the engine.

How much will I save? In a typical situation for a "leaded-only" engine switching to unleaded and gaining a modest economy improvement after fitting Broquet we would expect savings to be in the region of 40 p per gallon (more if the user changes from a top grade 4-Star to supermarket unleaded). For the 30 mpg engine this means a saving of £133 per 10,000 miles just in fuel cost terms. For a car already running on unleaded or diesel, savings will accrue because of better fuel economy and, of course, the lower emissions resulting from use of Broquet could mean the difference between a pass or an expensive failure at MOT time.

What is your guarantee ? We offer a money-back-if-not-satisfied promise plus an underwritten Warranty that states in plain English that if your engine is damaged as a result of using the product then we will make good such damage at our expense. This is in addition to your Statutory Rights. Probably your best reassurance is the fact that we have been supplying Broquet for a decade to thousands of motorists. Engines have not been damaged (we have several 100,000 miles plus leaded engines running on unleaded) and in reality run so much better, and last longer, with the catalyst installed. Broquet has stood the test of time - on the road, where it counts.

Fact Sheet compiled by D Lock & Associates - Tel 01747 861513

BROQUET home http://www.broquet.co.uk/
1991 BX19GTi Auto

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docchevron132
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Re: Fuel Catalyst

Post by docchevron132 » 07 Jun 2013

these things have been around for years, in various forms, none have ever been proven to be of any benefit whatsoever. I recall the HVBC (or whatever the fuck they are called) tested all various forms available along with various additives when proper 4* went.
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Father Ted
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Re: Fuel Catalyst

Post by Father Ted » 07 Jun 2013

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Vanny
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Re: Fuel Catalyst

Post by Vanny » 07 Jun 2013

Kind of obvious that it doesn't work in that it needs a page of writing to try to convince you.

If it was THAT good, we would already be using it, like the electric turbo charger and the magnetic fuel enhancer.
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mickey taker
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Re: Fuel Catalyst

Post by mickey taker » 07 Jun 2013

my brother had one on his maestro , didnt seem to make any difference but then again it was a maestro :D
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