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Cetane Booster

Difference between Oilsyn Diesel Power/Race DNA, Oilsyn Hybrogen and Archoil AR6900-D

by Andy Published on Wednesday, August 3rd, 2022

Fuel additive science is not definite. There are too many influencing factors and different requirements to produce the “ultimate additive” that universally works for all. What may work well on one engine does not guarantee success on another. This presents the need for different technologies to help match successful functions to the engine, fuel, and user requirements.

This is also why it becomes difficult to recommend the best fuel conditioner for you and why Oilsyn and Archoil usually offer sample sizes of their most popular products so you can test and decide which works best for you and your vehicle.

Take Archoil AR6900-D or Oilsyn Diesel Power DNA as examples. They deliver a multitude of functions that include fuel stabilization, anti-foaming, cleaning (via detergents), lubricity (via a lubricant), cetane improver, and combustion improvement (via a combustion catalyst). These are all delivered chemically to the fuel, and obtaining a balance of functions becomes more of an art form than science because the functions can compete against one another.

Too much lubricity can reduce cleaning performance; too much detergent can reduce combustion catalyst performance; too much cetane improver can negate MPG gains being delivered by the combustion catalyst, and it goes on and on. When you consider that fuels vary in lubricity, cetane number, and detergent performance and combine this with the fact that engines respond differently to each of the functions mentioned above, it is no wonder it is impossible to achieve a 100% success rate with additive use. However, Oilsyn can get closer to it than most by offering a range of technologies that provide different functions or deliver similar functions differently.  In contrast, most competitor products are simply cetane improvers with a cheap mono-acid lubricant.  This includes many of the popular brands.

This is where Oilsyn Diesel Race DNA enters the arena.  It delivers even more cetane, arguably the best-performing lubricant on the market right now, and a combustion catalyst.  It has low cleaning performance because that robs the engine of power.  Diesel Race DNA cannot be beaten for the ultimate performance and lubricity.  The difference can be night and day when using this.

Oilsyn Hybrogen is helpful for maximum MPG and lowest emissions or with engines that don’t respond well to higher cetane diesel.  Hybrogen is essentially an aggressive combustion modifier. It helps clean naturally through cleaner combustion gases. It improves combustion quality by manipulating the fuel rather than “treating” it.

From testing, we know that some customers prefer Diesel Race DNA, some Diesel Power DNA, some Archoil AR6900-D, and others Hybrogen. Most notice the greatest difference when using Diesel Power or Race DNA simply due to the lubricant that is not found in any other diesel additive.

Quick summary of each product:

Oilsyn Diesel Race DNA – Designed for maximum performance and lubricity.  Outstanding cetane improver, lubricant, and combustion improver. It is much better on engines that respond well to additional cetane and where the customer wants maximum performance and protection.

Archoil AR6900-D MAX – Designed for all-around performance and protection.  Good lubricant, stabilizer and cleaner, great cetane improver, and combustion improver. Often better on engines that respond well to additional cetane.

Oilsyn Diesel Power DNA – Designed for all-around performance and protection.  Outstanding lubricant and cleaner, great cetane improver, and combustion improver. Often better on engines that respond well to additional cetane or where there is a requirement to reduce diesel clatter.

Oilsyn Hybrogen Road – Designed for maximum MPG and lowest emissions.  Excellent combustion modifier with natural cleaning. Often works where MPG and power increase results have been less than expected with products that raise cetane.

Please note this is an approximate guide, and we are always available to advise further. However, we strongly recommend that customers test to see what works best for them.

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88 thoughts on “Difference between Oilsyn Diesel Power/Race DNA, Oilsyn Hybrogen and Archoil AR6900-D”

  1. Stephen Brader says:
    January 20, 2025 at 11:40 pm

    What’s the best additive you recommend for a focus mk3 1.6 tdci for the most mpg gain?

    Reply
  2. Fernan Strong says:
    August 24, 2024 at 7:01 pm

    Hi Andy.
    I’m using the AR6900-D and I think it’s working well so far. I haven’t noticed anything in fuel economy, but I have noticed something in the sound and starting, so it works.
    I’m currently in Spain and using Repsol Gas-Oil, which here they call “Normal” and then there’s the “Premium” which is a bit more expensive. The first has a cetane index of 51 and the Premium has 55.
    Would it be more noticeable, in everything, to use the Premium with the AR6900-D or on the contrary, when using it with the normal diesel, is it as if I were already using the Premium? Or even better?
    I’m going to finish the AR6900-D soon and I’m going to move on to the one you mentioned to me a few months ago, I’ll use the Oilsyn Diesel Power DNA. I hope it works even better.
    Greetings and thank you very much.

    Reply
    1. Andy says:
      September 17, 2024 at 4:33 pm

      Hi, either product will still work well with premium diesel. However, you may only need half the recommend dosage. Or, just use with regular diesel as that is what it is designed to do. Oilsyn Diesel Power DNA has stronger detergent and a very different ester lubricant, that many customers prefer.

      Reply
    2. Fernan Strong says:
      September 18, 2024 at 6:56 pm

      Ok. If another one is better than this one, Oilsyn Diesel Power DNA, you tell me, if not I will change to this one. I hope it goes well. This diesel engine, I hope it goes very well.
      Thanks

      Reply
      1. Andy says:
        October 8, 2024 at 3:58 pm

        Diesel Power DNA is better because it has a stronger detergent with PEA and a very high performing ester lubricant.

        Reply
  3. Mr R. Goodhead says:
    May 17, 2024 at 4:46 pm

    What additive would suit a jaguar diesel 2ltr ingenium engine. ArchoilAR6900 D max or Oilsyn Diesel Power DNA. Or are they basically the same. Average mileage is about 6000 miles per year.

    Reply
    1. Andy says:
      September 17, 2024 at 4:37 pm

      Both will work well. Diesel Power has stronger detergent with polyether-amine and a revolutionary new ester lubricant. I would recommend testing a sample of each and see which one works best for you.

      Reply
  4. Xava says:
    March 26, 2024 at 10:32 pm

    Hi Andy,
    BMW G30 520 diesel b47
    Can I add OILSYN Diesel Power DNA, and orange KLEEN-FLO 963 to my diesel tank at the same time? If so, should I reduce the dose for Kleen-flo?

    I have Just bought oilsyn and Wonder what to do with old additive

    Reply
    1. Andy says:
      April 28, 2024 at 6:50 pm

      I wouldn’t combine them.

      Reply
  5. Yuriy says:
    March 22, 2024 at 12:35 pm

    Hello, which lubricant is better? Power DNA or Race DNA?
    Thanks

    Reply
    1. Andy says:
      April 28, 2024 at 6:51 pm

      They use the same lubricant. Diesel Power has much more detergent. Diesel Race, more cetane and combustion catalyst.

      Reply
  6. Fernan Strong says:
    March 15, 2024 at 5:34 pm

    Hello Abdy. In my Civic diesel 1700cc and 100CV Isuzu engine from 2005, I already mentioned that, according to your comments, I am using the AR6900-D and when I finish it I will switch to the Oilsyn Diesel Power DNA,
    When I started I made the stipulated 50 ml. For my tank it is 50 Liters, but I think there would be…about 5 Liters left, here it is a bit low, but I didn’t know exactly what there was.
    Now each time it is done it is usually between 42 and 44 liters. But I have no way to adjust that much. Totally I’m making 50 ml. since what remains already has the AR6900.
    Is this good, is it bad or do I not care about it?
    Thank you for your comments

    Reply
    1. Andy says:
      April 28, 2024 at 6:54 pm

      A small amount of AR6900-D won’t harm and the dosage doesn’t need to be exact.

      Reply
  7. George Calota says:
    February 12, 2024 at 12:38 am

    Hi Andy,
    I have a bmw e90 318d lci stage 3 running 280hp, engine is N47D20C version and in the past I have used Diesel Kleen Cetane Boost from Power Service.
    For test purposes, I have purchased, Oilsyn diesel race dna, Oilsyn diesel power dna and Oilsyn Hybrogen Road.
    Can you please advise which one should I use first and how are the 3 mentioned additives from Oilsyn compared with Diesel Kleen.

    Looking forward to your reply.

    Thank you!

    Reply
    1. Andy says:
      February 23, 2024 at 2:53 pm

      Hi, Diesel Power first Diesel Race, then Hybrogen. I am unable to comment on that product but I can say that the Diesel Power/Race contains 100% active ingredients with no fillers or cheap solvents. They also use ester lubrication and both contain a combustion catalyst. Hybrogen is a dedicated combustion modifier so different product entirely.

      Reply
  8. Fernan Strong says:
    February 4, 2024 at 9:11 am

    Hello. I have a Cvic Diesel 1700cc 100hp Isuzu engine with 184K on the dial. I have purchased 1Liter of AR6900D MAX. I’m doing normal diesel. My idea is to clean the entire system and improve the sound, smoothness and other things I do. Am I right for this engine? Or would you recommend something else?
    Regards, and thank you very much

    Reply
    1. Andy says:
      February 10, 2024 at 2:58 pm

      I would also recommend Oilsyn Diesel Power DNA, and see which one works best for that engine.

      Reply
      1. Fernan Strong says:
        February 15, 2024 at 7:49 pm

        Hello. Well, now I’ll be with the AR6900 until the liter runs out. Then I will move on to the one you tell me about, which I have already read about in the forum.
        Do they have to be used for a certain period of time or can they be used constantly?
        Thank you so much.

        Reply
        1. Andy says:
          February 23, 2024 at 2:50 pm

          It can be used continuously. I would recommend trying Oilsyn Diesel Power DNA to compare with the AR6900-D, and see which one performs better for you. It is available in trial 250ml size bottles.

          Reply
          1. Fernan Strong says:
            February 24, 2024 at 6:03 pm

            Hello. If so, I’ll do it, as soon as I finish the AR6900 and I’ll tell you. Thanks.

  9. Ivan says:
    November 29, 2023 at 4:44 am

    Hi,ordinary diesel-b7

    Reply
    1. Ivan says:
      November 29, 2023 at 4:51 am

      About “Andy-NOVEMBER 28, 2023 AT 9:32 AM
      Hi, what fuel are you using?”

      Reply
  10. Love says:
    October 11, 2023 at 4:40 am

    Hi, 4 months ago I bought a discovery 5, 3.0 lt, td6 engine. Its 2017 and 52k on the clock. I am using BP premium diesel and have now started to add Millers oil eco max additive. What would you recommend? Premium diesel with AR6900-d or oilsyn diesel power DNA? Or regular diesel from like tesco and one of these additives?

    Reply
    1. Andy says:
      October 12, 2023 at 11:58 am

      Either will work well. Oilsyn has slightly stronger detergent and better lubricant than AR6900-MAX. Ecomax has no detergent or catalyst. It is essentially 2-EHN with a cheap lubricant.

      Reply
      1. Love says:
        October 13, 2023 at 11:09 pm

        Thanks Andy, but is it ok to use oilsyn diesel power dna with regular diesel or premium diesel?

        Reply
        1. Andy says:
          November 28, 2023 at 9:33 am

          You can use it in both.

          Reply
          1. Love says:
            February 18, 2024 at 5:07 pm

            Hi Andy, I started using diesel dna power and the performance has dramatically improved. The sound, the pickup all had improved but mpg had dropped significantly. Is compromise in mpg giving me performance? How do i get a balance of mpg and performance?

          2. Andy says:
            February 23, 2024 at 2:48 pm

            MPG shouldn’t drop. Try lowering the dose a little. If it doesn’t improve then contact me at andy@powerenhancer.co.uk and we will send a different variation for you to try.

  11. Derek Mendonca says:
    May 24, 2023 at 10:04 pm

    Hi Andy,

    I have a bmw G30 530d with 30k on the clock. My question is can I use Oilsyn diesel Race DNA and use this regularly. Is it best to use it with something else that has a detergent to keep things clean and deposit free. Is doing this safe or advisable.

    Reply
    1. Andy says:
      October 12, 2023 at 12:47 pm

      Hi, yes, it is safe to use regularly. A little Diesel Power DNA or Archoil AR6900-D MAX will help with cleaning. These are now available in smaller 250ml bottles.

      Reply
  12. Adam says:
    March 17, 2023 at 11:11 am

    I own a puma 1.5 ST and would like to know your thoughts on the best additive to run. Would it be Archoil AR6900-P MAX or Hybrogen road?

    Reply
    1. Andy says:
      April 28, 2023 at 11:12 am

      AR6900-P MAX or Oilsyn Petrol Power DNA.

      Reply
  13. Mark Bevan says:
    March 12, 2023 at 3:59 pm

    Which ongoing / daily fuel conditioner, would you recommend for a 2012 BMW Z4 (e89) sDrive20i, with 80k on the clock ?

    Engine wise, it’s a 2.0L N20, so a 4 cylinder DOHC, with twin-scroll turbocharger, double-VANOS (variable valve timing), Valvetronic (variable valve lift) and direct injection.

    I’m confused as to whether: Petrol Power DNA, Hybrogen Road, or AR6900-P Max, is likely to suit this car best.

    I don’t tend to buy the higher octane / premium fuels.

    Reply
    1. Andy says:
      April 28, 2023 at 11:12 am

      Petrol Power DNA

      Reply
  14. Alan says:
    February 7, 2023 at 2:00 pm

    Hi Andy

    I have a 2013 PSA Citroen 150 blue HDI, it is stage 1 remapped. It’s an impressive engine, but with strangely long gearing (which I like) and it’s very, very thermally efficient – not so great for the fuel and exhaust system I suspect.

    It’s mostly used in town, between towns (a little dual carriageway) and occasional long trips. Which of your products would you feel best suits this unit?

    Thank you,

    Alan.

    Reply
    1. Andy says:
      April 28, 2023 at 11:13 am

      Diesel Power DNA or Diesel Race DNA.

      Reply
  15. Mark Steeden says:
    January 29, 2023 at 3:48 pm

    i have a hi millage mazda cx5 2.2 diesel 2015. i have just had some trouble with the egr now fixed . what would i be best using to clean the rest of my engine / intake .

    Reply
    1. Andy says:
      April 28, 2023 at 11:15 am

      Diesel Power DNA as it contains multiple detergents and fuel borne catalyst to assist with this.

      Reply
  16. Ivan says:
    November 23, 2022 at 8:04 pm

    Hallo,i have a new EURo6d temp Diesel from Skoda with Adblue.What supplement would you recommend for regular use?

    Reply
    1. Andy says:
      November 30, 2022 at 5:54 pm

      Oilsyn Diesel Power DNA

      Reply
      1. Ivan says:
        December 31, 2022 at 2:40 pm

        Hi, Can I mix Oilsyn Diesel Power DNA with Diesel Winter Anti-Gel Additive?Thanks.

        Reply
        1. Andy says:
          April 28, 2023 at 11:16 am

          They can both be added to the fuel safely but do not mix them together as an additive.

          Reply
        2. Ivan says:
          November 26, 2023 at 7:50 am

          Hello, I use Archoil AR6900-D MAX – every time I fill up with fuel, can I add Diesel Antibacteria additive along with it or is it not necessary. Thanks.

          Reply
          1. Andy says:
            November 28, 2023 at 9:32 am

            Hi, what fuel are you using?

  17. Mark Bevan says:
    September 29, 2022 at 2:38 pm

    Can Hybrogen Road, be combined with Diesel Race DNA (or Petrol Power DNA, in a petrol car) ?

    Reply
    1. Andy says:
      October 11, 2022 at 2:25 pm

      Hi, not at the moment but this is something we will test.

      Reply
  18. Andreas says:
    April 25, 2021 at 9:55 am

    Hello
    Is ist Save to use oilsyn or archoil 6200 in a vintage car? (DS 23 ie)
    And if so can it be combined with 2stroke oil?

    Thanks in advance and regards
    Andreas

    Reply
  19. Nick says:
    February 28, 2021 at 4:58 pm

    Hi, For a 2011 Porsche 3.4L Gen2 with the MA1.21 engine I was looking at using the AR6900-P as it only does 2000 miles per year. However, I already use mostly Tesco Momentum or Shell V-Power premium fuels as the car is specced for 98RON and these fuels already have a detergent package added. Would AR6900-P make sense here or is the premium fuel sufficient on its own?
    Also, I have 2 Diesels used as daily drivers, a Euro5 and a Euro6 so was thinking maybe AR6900-D for them as we’d hope to improve MPG. Would this be the right choice here too or should I try Hybrogen for both the petrol and diesels? Thanks, Nick

    Reply
    1. Andy says:
      March 1, 2021 at 9:48 am

      Hi, I would use Hybrogen in the Porsche but do not exceed the recommended dosage. This is what I use in my M5 with V-Power. I am also using a next generation “super” lubricant in with the fuel, which is amazing. This will be released sometime in summer. With the diesels use Oilsyn Diesel Race DNA or Archoil AR6900-D with standard diesel fuel. Guaranteed you will notice a difference especially with the new ester based lubricant.

      Reply
      1. Nick says:
        March 1, 2021 at 2:26 pm

        Thanks very much for the prompt reply and advice. 🙂
        I will give your recommendations a try and see how I get on. Looking forward to seeing the new development!
        I already use Millers NanoDrive CFS 5w40 NT+ in the Porsche as in a NA engine efficiency is where it’s at, but I have not done anything with the (manual) gearbox oil, it is just standard which I’m guessing is probably Mobil. Do you believe a friction modifier add-in or even a drain and refresh with something like Millers NanoDrive CRX NT+ would be worthwhile?

        Reply
      2. Yuriy says:
        February 6, 2024 at 2:04 pm

        What the name of this “super” lubricant?

        Reply
        1. Andy says:
          February 10, 2024 at 2:57 pm

          The exact formulation is secret and doesn’t have am external name. The internal trade name is Orisyn Ester.

          Reply
  20. Duncan says:
    December 22, 2020 at 9:52 pm

    Can I had Archoil AR6900-D Max to shell v power Diesel

    Reply
    1. Andy says:
      December 23, 2020 at 9:07 am

      Not recommended due to the excess cetane improver and a waste of Money. Premium diesel fuels are standard diesel fuels with more 2-EHN cetane improver, detergent and possibly lubricant, depending on brand. AR6900-D MAX is the same pure 2-EHN cetane booster, high strength detergent pack, the best ester based diesel fuel lubricant money can buy and combustion improver. Add AR6900-D to standard fuel to TURN IT INTO premium diesel that will rival any other diesel fuel.

      Reply
  21. Ian Wright says:
    November 7, 2020 at 9:36 pm

    I use AR6900-D, 2.0 tdci Ford Kuga.
    Ive been told to add Dipetane, 250cc per tank.
    Should i add Dipetane with AR6900 or not?
    Thanks.

    Reply
    1. Andy says:
      November 9, 2020 at 9:22 am

      They cannot be combined and absolutely no need to add it with AR6900-D.

      Reply
      1. Ian Wright says:
        November 11, 2020 at 2:38 pm

        Many thanks.
        I’ve been impressesd with the archoil products!

        Reply
  22. Ian Harris says:
    October 30, 2020 at 6:45 pm

    Hi.
    I have a 2009 BMW N57 engined 330D.
    I currently use AR6900 and achieve noticeable results, especially around town.
    Is the N57 one of those engines likely to see more benefit from using Hybrogen?
    Or does it get best use from AR6900?
    Thanks
    Ian

    Reply
    1. Andy says:
      November 9, 2020 at 9:23 am

      Continue with AR6900-D if you are getting results as it means that engine is responding well to the additional cetane and ester lubricant.

      Reply
  23. Duncan says:
    July 26, 2020 at 11:05 am

    I have used 2-ehn (and having now read your posts, embarrassingly I’ve used 2T oil simultaneously) for a couple of years in my 2007 400hp+ 3.0d bmw and have discovered your products recently. So I have bought Ar6850 and hybrogen additives to try. Im very much looking forward to this and seeing what benefits I notice.

    Finding detailed technical information on the hybrogen is fairly difficult, having worked in vehicle upgrade and repair for many years And being a right bookworm, I’m really interested in how it works and interacts with the fuel. Is there anyway of getting more Information other than the normal info online?

    Thanks 🙂

    Reply
    1. Andy says:
      July 30, 2020 at 1:08 pm

      It is difficult to get into too much detail without revealing proprietary information. Chemically Hybrogen is creating a colloidal SOL within the fuel structure. This produces a more homogeneous mix and thus a cleaner burn.

      Reply
  24. steve says:
    June 28, 2020 at 3:45 pm

    I have a new Mazda cx-30 with High compression petrol engine.
    Is it safe to use a petrol additive such as Hybrogen

    Reply
    1. Andy says:
      June 29, 2020 at 10:06 am

      Yes, fine to use.

      Reply
  25. Lee kill says:
    May 27, 2020 at 5:30 pm

    Hi I’ve read your article about how you can use hybrogen and AR 6850 together but they must be added separately why is this? Because soon as you put both in the fuel tank they will mix together what I did is mix the required amounts in a small bottle mix and then add them to the tank is this ok .
    Lee.

    Reply
    1. Andy says:
      June 2, 2020 at 4:16 pm

      It is dependent on the solubility level. In order to correctly mix Hybrogen with any fuel or similar carbon base the base needs to be at least 500 times the weight of the Hybrogen. Therefore 50ml of Hybrogen is easily soluble in 50 litres of fuel but not another additive.

      Reply
      1. Kalin says:
        October 21, 2020 at 5:19 pm

        Hello, I’ve been using 6400 and 6900-D for several months now and the results are FANTASTIC (on 4.2tdi VW Touareg 400hp)! But I want to try the suggested mix of Hybrogen and AR 6850. However I’m not sure I understood correctly your answer for using Hybrogen and AR 6850 in the same tank. Can you please confirm we can add Hybrogen, then AR 6850 and then top up the fuel ? Is it safe to do this and if not – then how do you recommend to add them ?

        Reply
        1. Andy says:
          November 9, 2020 at 9:25 am

          Yes, they can be added to the same tank but only with standard diesel fuel (not V-power or similar) and don’t use too much AR6850. Absolute maximum 1:1,000.

          Reply
  26. Ingo says:
    January 8, 2020 at 12:10 am

    Hello .. I have a brand new i30 N Performance (275PS) So cleaning shouldn’t play a major role. what is recommended ?? AR6200-EU or Hybrogen Road ..? Or just AR6900-P as an additive ?? Thanks for your information…

    Reply
    1. Andy says:
      February 10, 2020 at 3:28 pm

      For that engine, AR6900-P MAX at 1/2 dose or AR6200.

      Reply
  27. Mark Bevan says:
    November 30, 2019 at 7:48 pm

    Can Hybrogen be combined with AR6900-P, or is there another Archoil product for petrol engines, which can be combined with Hybrogen ?

    Reply
    1. Andy says:
      December 24, 2019 at 9:38 am

      In a petrol engine I wouldn’t combine Hybrogen with any other additive.

      Reply
  28. Graham Goodhead says:
    August 2, 2019 at 10:30 pm

    Have recently purchased a 2017 Jaguar XE (240hp) AWD model. The premium quality fuels that handbook recommends are expensive, so could you recommend which of your additives i should use in conjunction with a regular quality fuel which would give me similar (or better) results.

    Reply
    1. Andy says:
      August 7, 2019 at 9:31 am

      Diesel? If so, AR6900-D MAX turns standard diesel into a Super diesel fuel. Higher cetane, lubricity, detergent etc.

      Reply
      1. Graham Goodhead says:
        August 9, 2019 at 2:39 pm

        Many thanks for your recommendation. (P.s Yes it is diesel).

        Reply
  29. Tim says:
    June 18, 2019 at 5:51 pm

    Have a Super Charged Hellcat 6.2 Hemi and have been using Archoil 6200. CA fuel is 91 octane with 10% ethanol. Just looking to keep fuel system well protected and combustion as effientc as possible. Would my application benefit from Hybrogen Road vs Archoil 6200? Or would I have to test to see? Appreciate any insights you might have. Thanks and enjoy your info.

    Reply
    1. Andy says:
      July 10, 2019 at 9:29 am

      Hybrogen will deliver more torque and MPG. However, AR62000 will likely provide more protection.

      Reply
  30. Alan says:
    April 24, 2019 at 5:05 pm

    I purchased Hybrogen some time ago for my diesel car ,but only use it once (with good result).Now I have change my old diesel for Toyota Prius Hybrid.
    Is it safe to use Hybrogen with my Hybrid car?

    Reply
    1. Andy says:
      April 29, 2019 at 9:10 am

      Yes, it is safe to use.

      Reply
      1. Derek Mendonca says:
        July 31, 2022 at 9:13 pm

        Hi Andy,

        I have a 2017 BMW 530d and use 6900dmax. I see that Oilsyn have 2 products of interest. Diesel Race DNA & Hybrigen Road. Which product has the best all round benefit to the engine in terms of lubricity, cleaning and enhancing performance.

        If I had to pick one, what would you recommend.

        Thanks

        Derek

        Reply
        1. Andy says:
          August 1, 2022 at 12:56 pm

          Hybrogen is a pure combustion modifier and ideal for diesel engines that don’t respond well to additional cetane. It is designed for maximum fuel savings and lowest emissions output. Diesel Race DNA is designed for maximum performance and will provide the best lubrication and performance increase of any diesel additive on the market right now. Archoil AR6900-D MAX is best for ongoing cleaning. I use Diesel Race DNA in our family diesel.

          Reply
  31. Paul Brown says:
    April 2, 2019 at 3:20 pm

    Ive just purchased Hybrogen and 6850, is it ok to run both on the same tank of diesel, or should i alternate, what do you recommend

    Reply
    1. Andy says:
      April 2, 2019 at 3:22 pm

      They can be used with the same tank of fuel.

      Reply
      1. Stephen Brader says:
        August 17, 2022 at 8:52 pm

        Hi, ive got a ford focus 1.0 ecoboost which additive would you recommend for mpg ive just purchased 6900 p-max is this the best choice for mpg or is 6200/hybrogen better for mpg? Ive noticed theres some new oilsyn additives are they better than the archoil equivalents? Im considering purchasing archoil 6400 aswell for a deep clean so is any of the new oilsyn products better than 6400 for cleaning?

        Reply
        1. Andy says:
          August 18, 2022 at 8:27 pm

          For MPG on that engine – Hybrogen. Start with half a bottle of Oilsyn Petrol Dr, then use Hybrogen. Use the other half of Petrol Dr after 5-6 tanks.

          Reply
  32. Richard says:
    April 1, 2019 at 8:50 pm

    When using products like AR6900-d and Hybrogen what driving style should I adopt? I typically have a 100 mile round trip to work (mostly motorways) so should I aim for high gear low revs or low gear higher revs to get the best cleaning performance from the products?

    Reply
    1. Andy says:
      April 2, 2019 at 11:33 am

      With fuel system cleaning it doesn’t matter so drive normally. Higher revs on occasion will help with post combustion area cleaning such as with the Turbo, Cat, DPF etc.

      Reply
  33. Mr James Morrison says:
    March 31, 2019 at 12:39 pm

    I have tried the hybrogen road in my diesel car and i am impressed with the result.
    What is not clear is the dosage limits and whether higher dosage can be tried for better effect or whether it can be harmful.
    Eg i put a dose of 25ml in a 65litre tank which gives a ratio of 2.6:1 rather than the specified 3:1. It is also not easy to get an accurate dosage as the amonut being put in is small.
    Guidance on dosage limits and their affect would be very helpful.

    Reply
    1. Andy says:
      April 1, 2019 at 9:07 am

      Hybrogen is quite strict on dosage. I Think you mean 2,600:1? That will be fine but I definitely would not use any more as it will bring the diesel out of EN-590 spec.

      Reply

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