Fuel Tech Experts Latest News and Articles

Converting Cheap Supermarket Diesel to Super Diesel
by Andy Published on Wednesday, November 17th, 2021
Fuel Manufacturers Do Not Want You to Know This!
Supermarket diesel can now be easily and affordably transformed into Premium Super Diesel fuel! Feel the Difference Guaranteed or Get Your Money Back.
Rough Idle?
Lack of Power?
Poor Acceleration?
Hesitation or Flat Spots?
Reduced Fuel Consumption?
Excessive Exhaust Emissions?
We can help. Did you know that almost ALL diesel engines run much better on Super diesel fuel. Running Super diesel improves engine performance, reduces fuel consumption and the engine is likely to run quieter too. However, most owners are not prepared to pay the extortionate additional cost over regular branded diesel or supermarket fuels. Now there is another option.
For a fraction of the price Archoil AR6900-D MAX transforms regular supermarket diesel into a Premium Super Diesel fuel guaranteed. Unlike with gasoline, regular diesel is very easy to treat and we use the same technique and ingredients.
AR6900-D can be purchased HERE (this is not an affiliate link)
Use offer code SUPER during checkout for a 15% discount on this product.
How is Super Diesel different to regular diesel, branded or otherwise?
- Higher cetane number. The British standard for diesel fuel quality is EN 590. EN 590 stipulates a minimum cetane number of 51 but Super diesel fuel is usually 54 or more. This is achieved by adding 2-Ethylhexyl Nitrate (2-EHN). There is no secret formula and 2-EHN is the worldwide standard for raising the cetane number in road diesel fuels. AR6900-D MAX delivers the same high quality 2-EHN. In fact, we guarantee our product contains at least 80% by volume of 99.9% pure, undiluted 2-EHN, delivering a minimum 5-point increase!
- High quality EN-590 compliant Detergent Pack. It is common knowledge that regular branded diesel usually has more detergent performance than cheaper supermarket fuel and that branded Super diesel fuel may have even more. We can now deliver one of the best commercially available detergent packs ensuring the fuel system and engine in your vehicle remains clean and performs optimally and even better than the highest quality diesel available.
- Fuel lubricant. 2-EHN cetane improver is inherently dry so additional lubricant is essential. However, most fuels and competitor fuel additives use conventional mono-acid or similar technology and such lubricants don’t perform well with higher 2-EHN content. AR6900-D MAX uses a proprietary Ester-based lubricant that is not impacted by the presence of 2-EHN. In fact, during testing of the individual functions of our product customers using just the lubricant alone noticed a significant difference with an engine that ran much quieter and smoother. Even some devoted fans of using 2-stroke oil in with the diesel have now converted to using AR6900-D MAX.
When we tested the most popular competitor additives including a leading brand in a fancy bottle, we were shocked to find that it contained just 2-EHN, cheap lubricant and additive to improve the odour. We think you deserve better. Archoil AR6900-D MAX contains pure 2-EHN with a high performing detergent pack, revolutionary Ester lubricant and fuel conditioning pack. No fillers are used, only active ingredients to transform even the lowest quality supermarket diesel into Premium Super Diesel Fuel.
You can now try AR6900-D MAX with ABSOLUTELY ZERO RISK. If you don’t like it then let us know and we will refund your money in full. We Guarantee Results or Your Money Back. 86% of customers said they would recommend us.
DON’T wait until it is too late. With today’s modern engines and complex fuel systems it is more important than ever to keep the fuel system and engine running optimally to save those dreaded visits to the garage. We recommend you either treat the fuel or pay the additional £5+ per tank for premium Super diesel fuel.
AR6900-D can be purchased HERE (this is not an affiliate link)
Use offer code SUPER during checkout for a 15% discount on this product.
The full Product Tech Sheet where you can view the further product information and test results etc. can be downloaded HERE.
Below are a few of the testimonials from customers using AR6900-D MAX. They are from our website, email, Amazon and eBay stores.
“Just a short note to say that this additive has cured the persistent warm-up flat spot on my Golf 1.6 TDI 90 Estate that has existed for two years or more. I suspect the problem was a sticky EGR valve that has now been cleaned up with the AR6900-D. Brilliant. Nobody at the Volkswagen garage really wanted to even look into it. I suspect I must be one of many that has suffered this problem – nothing serious, but rather annoying, and solvable. I’m rather surprised they did not try and sell me a new EGR unit, for a small fortune!
– Best regards, and thanks again for a great product, – Victor H”
“My 2006 Land Rover Discovery 3 has been using one of you Archoil products since it 90,000 miles it just topped 252,000 miles and unfortunately I was afforded the opportunity to have a look inside. I say unfortunately as I snapped a cam chain. My friendly mechanic called me down to have a look and when I arrived I discovered 3 other mechanics from different garages who’d come to stare in amazement at the condition of this aged 2.7ltd TDV6 engine. My mechanic had been so impressed and excited at what he’d found he’d called his mates to come and see. I drive my old girl hard in all types of condition using diesels in countries that aren’t renowned for any form of British Standard when it comes to fuel care and I put the condition of my engine down to the Archoil AR6900-D max. What else can I say but Brilliant, Thanks and keep it up. Once repaired my truck will be back on her favourite tipple.
– Thank you, Powerenhancer! – Paul R”
“Just to let you know I have been using the AR6900-D MAX for just over 1 week, and driven just over 400 miles and I can’t believe the difference already, the engine tick over is now running smoothly again, and my car has so much more power, pulls away nice and smoothly, not sluggish any more, even when it’s been cold first thing in the morning, the car is now running so much better.
– Regards Garry”
“What a find
I use this product in my 2017 Evoque because they are thwart with DPF issues. Not Whilst your dropping some of this gear in the fuel. It’s like a different motor. Idles like new and has completely enhanced the way the car drives. It feels like it’s been remapped. I will be using this product for the long term.
Review by Dave0166”
“DOES WHAT IT SAYS ON THE CAN
Have been using this on my 2001 19d for 2 or more years and it really does work. Have used redex in the past with not really any noticeable difference. For the first start on a cold winter morning my van was very sluggish until it warmed up not with this though it run normal. I think I am getting 4 or 5% better fuel economy but I haven’t done a definitive test. Works out at about 2p a litre of diesel (only 1ml per litre) if you buy a litre bottle which is a lot cheaper than a premium forecourt diesel
Review by ALAN”
“No more limp mode
My 08 Saab 93 Tdi (180ps) had been dropping into limp mode on and off for a couple of years due to EGR, DPF, Inlet manifold clogging issues which I resolved with various treatments and additives. However, the duration of the resolution was getting shorter and frequency of the dreaded limp mode light was increasing to the point where I was uneasy on longer journeys. I then came across the Powerenhancer products and started (June 2019) by dosing my fuel tank with Archoil AR6400-D MAX Professional Diesel Engine, Turbo, DPF & CAT Cleaner Concentrate and followed on with constant use of Archoil AR6900-D Max Advanced Diesel Fuel Synthesis. Well the results weren’t instant and limp mode did continue occurring but the frequency started to reduce and periods of uninterrupted motoring increased until after 2 months (approx) no more limp mode. Since then things have only been improving with less engine clatter, smoother and more responsive pick up and slowly increasing MPG, on my last long journey (Jan 2020) I achieved 46.3 MPG which I haven’t been close to for years. For me these products have been brilliant and I have just ordered my 2nd 1 litre bottle of Archoil AR6900-D Max Advanced Diesel Fuel Synthesis. Thanks Powerenhancer
Review by Tony”
“Super additive!
I have been using this for over a year, after first adding the AR6400 to shock my system. My engine is very quiet both at tick over and on the road and I calculate that using supermarket diesel with AR6900 I am getting what is claimed by Shell et al for their top diesels for much less money. Very pleased with this product.
Review by Timbo”
“Excellent
I’ve been using this for a few years now and it’s a fantastic product. It gives you peace of mind in knowing you’re protecting vulnerable parts of your vehicle. I’m currently using it in my Transit custom and it’s running sweet as a nut.
Review by Paul”
“Great fuel additive
I’ve been using this for a number of months now and works really well. The car does not go through so many DPF regenerations and even when it does it does not take so long to complete so saves fuel and reduces the chances of engine oil degradation. Car runs smoothly and now with the recent addition of a chip it’s a flying machine (240ps Leon 184 TDI). When you work out how much money you waste paying for the performance fuel at the pump, this product is far more cost effective by a considerable margin. Go buy some!
Review by Chris”
“Now a different car
Using AR6900D Max after a tank full of standard diesel dosed with AR6400 & what a difference on my 13 plate Jaguar XJ 3L turbo. The car only has 31k miles on it so I thought it was running ok, now it’s even quieter, smoother & pulls even stronger! Tail pipes have virtually no soot in them or soot on the bumper above the pipes. Never seen a DPF regen light so thought the system works as designed so didn’t expect the use of these additives to make much difference but that feeling was totally wrong.
After the last service the A9100 friction modifier went in, now the cars even smoother & tick over sound levels are down by 3dB! So it’s doing something as well!
Review by David”
“5 out of 5 stars Does what it says – great stuff!
This is the second purchase of the product. The first met all my expectations. This was added as directed to the fuel in the tank of my Seat Ibiza 2006 Tdi FR and after 100 miles had started to improve fuel economy. On one journey of over 200 miles part motorway in stop start traffic on a wet and windy night, I achieved 75 mpg compared to a previous best of 58 mpg under similar conditions. The only thing to mention is that the liquid itself is smelly and sticky, so please take care to read the instructions for use and store sensibly where it cannot leak. My wife’s nose is somewhat more sensitive than mine and she complained about the ‘strange smell’ … as I told her – it’s a motor vehicle additive, not a glass of wine!
Amazon Customer
Montague H. Withnail”
“5 out of 5 stars It works
I’ve tried numerous, similar products – cetane enhancers, injector cleaners, etc., but this does everything in one go.
I advise buying in 1l size, or larger, as this represents best value for money.
NB: Best to use a heavy duty cleaner first, such as Archoil 6400D Max, to get rid of the major gunk and carbon deposits, then use the 6900 as a regular treatment.
What does it do? Well, it seems to do what it says on the bottle. I noticed smoother idling, more responsive throttle, more even turbo performance and a much sweeter engine note when accelerating (voom, rather than brrrm).
Certainly helps keep the black soot from building up as quickly. I do a lot of short journeys in 2.5l tdi VW, so it’s been a perennial issue and I was used to having the vehicle go into limp mode, with a turbo overboost fault code, on a regular basis. This has reduced by about 90% since using the 6900. I am assuming that this is due not just to its cleaning properties, but to its combustion catalyst, as carbon build-up is a primary result of the incomplete burning of fuel.
I can’t quote any figures on fuel economy, but it does seem to give you slightly improved results, which would make sense if it’s causing the fuel to be burned more efficiently.
All in all, I can’t fault this product and will be using it consistently from now on.”
“5 out of 5 stars
Really this is free. When I calculate the saving in fuel it works out that I am being paid to use it. I have kept records of fuel used with and without and my fuel consumption has reduced from 23mpg to 28mpg. I used the other product first to clean the engine and noticed an improvement in performance on a hill 20 miles from the start of the trip. Usually I would expect to use 4th gear but my 3400kg motorhome pulled well all the way up in 5th gear. The rest of the 6-week trip was down through Spain and Portugal and back – lots of long, steep hills to test out with and without treatment. To compare with and without additive the third and fifth tank fill were without. The difference = 5+ mpg, better than 1/5, extra. The first treatment paid for the bottle.
Bob Petch”
“Best additive yet
This really works. I get more mpg using this. I use supermarket diesel so this additive is a must to keep everything running smoothly while keeping everything clean. It’s really good value.
Just squeeze the bottle to fill the reservoir before pouring. kuga2010russ”
“I have used this product for about 3 years in various vehicles. It has helped with fuel economy in new and old cars along with helping my older trucks pass emissions testing at MOT time.
My vehicles run quieter and smoother whilst helping the environment.
I also use the petrol version additive in my wife’s car and 3 motorbikes with great results…. Win, Win 10/10. gruesome46”
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