Millers Diesel Power Sport 4 - MikeTorque
Has anyone used Millers Diesel Power Sport 4 ?
If so what differences have you noticed ?
Which brand of diesel are you using with this product ?
Millers Diesel Power Sport 4 - Old Navy
I used a bottle in my car with supermarket diesel (at the reccomended dose) and it seemed a bit smoother at low revs but not enough difference to justify the cost.
Millers Diesel Power Sport 4 - MikeTorque
Which car do you have ?

How did it run at higher revs ?

Was the economy improved ?
Millers Diesel Power Sport 4 - Hamsafar
I have used it for a couple of years in a 2002 VW 2.5TDi, it improves the sound of the engine (less percussive) and reduces smoke seen in the headlights of the car behind at night. No increase in mpg or performance has been noted.
Millers Diesel Power Sport 4 - oldtoffee
I've used it in long term in a Passat TDi PD, a Picasso HDi and briefly in a Mondeo TDCi. I didn't notice any difference in the Picasso which always ran smoothly and almost smoke free all the time I had it. In the Passat I would occasionally use a double dose if I felt the car was smoking heavily (quite often) and it reduced the levels of smoke quite a bit. In the Mondeo (110k miles) it seemed to improve a roughness in the engine at about 1800 - 2000 rpm and again reduced the smoking noticeably.
Millers Diesel Power Sport 4 - Armitage Shanks {p}
I use it most times that I fill up; I can't comment on imrovements in noise, performace, consumption or smoke reduction but the cost to dose a litre of standard fuel is less than the extra cost, per litre, of buying Ultimate or Optimax or whatever. This is in a 110 bhp 307 Hdi

Edited by Armitage Shanks {p} on 03/03/2008 at 15:06

Millers Diesel Power Sport 4 - Old Navy
Which car do you have ?
How did it run at higher revs ?
Was the economy improved ?

>>
1. Focus 2.0 TDCI
2. No noticable difference
3. As answer 2.
Millers Diesel Power Sport 4 - drivewell
I've used Miller's Diesel Clean for 15 years, and now use Power Sport 4 in my '05 plate 130 Tdci Mondeo.

No noticeable difference in economy, but I think I see less smoke (on hard acceleration).

Have used dieslclean, as I say, for 15 years. I've never had an injector overhauled, and I've seen one car (a 1986 Golf turbo diesel) go to 165K miles, on it's original injectors, and return a smoke test average of 0.4.

Certainly believe it does a good job of keeping injectors clean.
Millers Diesel Power Sport 4 - gordonbennet
I've been keeping my head down until now cos i thought i was alone in using millers for years, its so nice not to be the sole oddball.

I changed over from power plus to sport 4 when we bought the euro 4.

I couldn't say that there's any real difference in performance or economy, but my diesels always run well and i too (tempting the gods here) haven't had any fuel or engine problems in donkeys years. I'm going to regret that, keep an eye on the technical forum.

Mind you i tend not to fill them with petrol. (sorry chaps i know my time will come)

Is it the placebo effect, am i just lucky who knows, but i'm going to carry on so nurrh.

drivewell, my old landcruiser which always had a double dose of millers with every fill up had the mot tester shaking his head as he couldn't believe how low the emissions were, and that was prehistoric technology (i wonder if that nice chap from Bradford is still running it after he bought the write off, another story).
Millers Diesel Power Sport 4 - BobbyG
Thought VAG specifically state that you should not use any additives with PD engines?
Millers Diesel Power Sport 4 - kithmo
My Mondeo is one of the last Euro III TDCis so I can use the Millers Power plus or Sport 4. I find that both of them quieten the engine when when it's ticking over, especially from cold. The sport 4 seems to give more urge around the 2.5 to 3k rev range but does produce more smoke than the Power plus. Also I noticed that the Power plus smooths the engine better than the Sport 4 in colder ambient temperatures. So I'm running on the Power Plus during the winter and I'll revert back to the Sport 4 in Summer.
Millers Diesel Power Sport 4 - drivewell
Could be wrong here - and I'm happy to be corrected, but I think the reason Sport 4 is recommended for Euro IV engines is because they sometimes use particulate filters. As far as I know, the Euro IV engine in an '05 Mondeo TDCi (130 hp) does not have a DPF, and therefore I have varied between regular Power Plus and Sport 4.

If I've got this wrong, then someone please tell me!!
Millers Diesel Power Sport 4 - kithmo
As far as I know the Euro IV engine in an '05 Mondeo TDCi
(130 hp) does not have a DPF and therefore I have varied between regular Power
Plus and Sport 4.
If I've got this wrong then someone please tell me!!

drivewell, if yours is definitely a Euro IV it should have an electronic (black) VV control box attached to the turbo and according to the Ford service schedule it could have a DPF that should be changed every 125K miles. The Euro III has a Vacuum operated VV turbo and no DPF.
Millers Diesel Power Sport 4 - MikeTorque
By the sounds of it, Millers Sport 4 does helps in some cases to improve performance but does anyone think it increases by up to 17.5% BHP as Millers claim ?

A few of you have noticed an improvement in engine smoothness and quietness as well as wear protection and emissions improvement which is inline with Millers claims.

Has anyone noticed any improvement in economy, they claim up to 7% economy improvements ?

Also have you noticed an improvement in throttle response and easier starting ?
Millers Diesel Power Sport 4 - Hamsafar
You're right drivewell, the powerplus contain anti-wear additives for the diesel pump which would potentially damage the DPF.

I haven't noticed any mpg/performance gains because I have used it every time for two years, but remember thinking it may be a bit better when first tried. The main difference, is the sound of the engine if I forget to put some in, especially if I use supermarket fuel, it sound like there is something wrong with the car, it's that much noisier and diesely.
Millers Diesel Power Sport 4 - Martin Devon
Use the engine. This should keep it soot free. Stay in the torque band and make smooth rapid progress.

Gears to go. Brakes to slow!...MD
Millers Diesel Power Sport 4 - Armitage Shanks {p}
MT. I was going to ask you where these claims are made and I checked - they are on the bottle! I think that these are highly unlikely but they are qualified with the words "Up To" which I suppose gives them a legal get out. Figures like these are more usually associated with the well known magnetic and Broquet fuel savers. I can vouch for the wear protection element as I think I have avoided an expensive outcome to a "Petrol in a diesel" disaster by using a massive overdose of Millers in the fuel mixture.

Edited by Webmaster on 06/03/2008 at 21:16

Millers Diesel Power Sport 4 - Roly93
Which car do you have ?
How did it run at higher revs ?
Was the economy improved ?

I have tried this in my A4 2.0 TDI (Euro 4), the results are :-

1 Engine slightly smoother and more eager at low revs/round town.
2 Definately more black smoke
3 Decreased fuel consumption (ie used more fuel)

Edited by Roly93 on 05/03/2008 at 08:43

Millers Diesel Power Sport 4 - GroovyMucker
According to the Millers website, Power Plus "has now been superceded (sic) by Millers Oils Diesel Power Sport 4".

Think I might try it.
Millers Diesel Power Sport 4 - mss1tw
3 Decreased fuel consumption (ie used more fuel)


So...you could almost say, increased fuel consumption? :-P
Millers Diesel Power Sport 4 - Roly93
>> 3 Decreased fuel consumption (ie used more fuel)
So...you could almost say increased fuel consumption? :-P

Yes, thats what I meant to say.
But on balance I would say this stuff does not suit my car at all and I will not be using it again, even though I succesfully used to use Diesel Power Pluss for a couiple of years in my old 1.9 TD A4 which was Euro III compliant.

Edited by Roly93 on 05/03/2008 at 18:23

Millers Diesel Power Sport 4 - davmal
I have been using Miller\'s 4 for 3 months or so. Started because my fuel consumption was up ie used more fuel per trip than I used to. Consumption had waned to 40 mpg as opposed to 45mpg. On first use the car did seem to be quieter and pick up more quickly, however, as previously stated this could have been a placebo effect! Undeniably though the fuel consumption is now at 45 mpg +, again this could be a change in driving style. A definite improvement is a decrease in smoke under heavy accel. I was curious how Miller\'s would substantiate their claims and e mailed for a copy of their research, the reply is posted below:

\"All our sales staff have a copy of this presentation, it is not yet available to the public, however the data was gathered at Accrington & Rossedale (?sic) College and Millbrook Proving Grounds\"

Regards - Martyn Mann

I am sceptical about the magnitude of improvement claimed on the bumph, but I \"think\" I can see an improvement and so will carry on using it.
Millers Diesel Power Sport 4 - Mad Maxy
I used Miller's DPP in my MkIV Golf GT TDI, mainly to assure decent lubricity. I was planning to put PS4 in my current E91 320d but BMW say 'No additives'. So I haven't.
Millers Diesel Power Sport 4 - Dave N
I use the older stuff in my old Landcruiser for extra lubricity. But the power plus 4 only mentions something about lubricity under the 'injector' section. So does it actually have any added lubricity for the pump (which is the main but that needs it), 'cos it doesn't say so.

I believe it was the lubricity element that causes problems in E4 diesels, so maybe it's not there anymore. With their obviously enthusiastic claims, surprised there's no claim about this.
Millers Diesel Power Sport 4 - Roly93
One thing that nobody else seems to have comented on, is that if you fill your car with one of the Premium Diesels, you get the same smell as if you have been using Millers diesel sport 4 or so I have noticed. So the additives in Millers must be very similar to what is in the additive pack for these fuels from the refinery.
Millers Diesel Power Sport 4 - grumpy100
I think that's dead right. I try to fill up using one of the premium brands of diesel, preferably shell.

If I can't for some reason then I add some millers instead.

If you read the shell website they claim their fuel contains a fuel pump lubricity agent that is absent from supermarket fuel. I use millers to supplement the fuel when I have to us the cheap stuff.

For 6 years until recently I had a Citroen Picasso of the type renowned for diesel pump failure, with no problems.
Millers Diesel Power Sport 4 - davmal
The smell of Miller's puts me very much in mind of the smell from a veg oil processing plant that I used to work close to, soya oil I think, which may go some way to explain the results of the tests in the link:
www.johnfjensen.com/Diesel_fuel_additive_test.pdf
Millers Diesel Power Sport 4 - diesel mad
I would like to point out that Millers Oils Diesel Power Sport 4 does not contain soya oil or any other naturally derived vegetable components (sometimes known as natural esters)

The main components are refinery quality fuel combustion enhancers, cetane boosters, detergents, and synthetic lubricity improvers - which are formulated to optimise performance and engine cleanliness into a competitve package that also happens to be free of any residual ash that may cause problems in Cats, DPFs, Turbos etc in other formulations of this type.
Millers Diesel Power Sport 4 - C5driver
Just tried it in my 2.2C5 auto which typically does 35-37 mpg on motorway runs. On 179 miles roundtrip achieved 43.5 mpg (from Citroen's trip computer) with BP cooking diesel. Never ever seen over 40 mpg before!
Millers Diesel Power Sport 4 - MikeTorque
That's a good result, well done. Did you notice a performance improvement as well ?
Millers Diesel Power Sport 4 - ForumNeedsModerating
Any diesel additive fans got views on the efficacy of copper bracelets for rheumatism?
Millers Diesel Power Sport 4 - the quiet man
You diesel chaps do seem to have such fun with all your additives ! Makes petrol motoring seem so boring !
Millers Diesel Power Sport 4 - Collos25
I have some snake oil and some rocking horse manure both have magical qualities it makes you believe all sorts of fatanstic tales.
Millers Diesel Power Sport 4 - ifithelps
My Focus goes better with Power Sport 4 in the tank - that's a fact.

Millers Diesel Power Sport 4 - FotheringtonThomas
I imagine these they hydrogen generators work for diesel engines just as well as they do for petrol ones, also. Combined with a good squirt of diesel addative and you'd get - well, lots of MPG. Lots and lots, maybe.
Millers Diesel Power Sport 4 - Collos25
"My Focus goes better with Power Sport 4 in the tank - that's a fact."

Of course it does
Millers Diesel Power Sport 4 - krs one
I used to bald, but thanks to Power Sport 4 I'm hairy as a bear.
Millers Diesel Power Sport 4 - Collos25
Do you rub it on your head or drink it?
Millers Diesel Power Sport 4 - krs one
Drink it with a dash of diesel.

Lovely.
Millers Diesel Power Sport 4 - DP
I've never used additives (Renault say 'non'), but I after logging my fuel economy over the past 2 yrs / 35,000 miles in a Mondeo diesel and a petrol Volvo, doing the same 35 mile journey at the same time of day, every day, I have enough evidence to tell me that different brands of fuel can affect fuel consumption by anything up to 5%, and in the Mondeo's case, it was a supermarket diesel brand that consistently gave over 45 mpg in a car which used to average nearer 43.

If this is the case, and I genuinely believe it is, why should an additive not make a difference?

Has any independent testing been done by the car mags? I would have thought the practical mags like Car Mechanics would have jumped on it.
Millers Diesel Power Sport 4 - Collos25
Air speed,air temp,humidity all make large measurable differences in performance so I wouldn't read to much into your findings.
Millers Diesel Power Sport 4 - FotheringtonThomas
If this is the case and I genuinely believe it is why should an additive
not make a difference?


An addative might make some difference - whether it's worth it in terms of price, I doubt. If Shell, BP, or whoever could legitimately claim that their fuel is better than the others in terms of price/mile, or power output, I am sure that they would. Therefore, if it was cost-effective to use addatives of the type mentioned here....

Has any independent testing been done by the car mags? I would have thought the
practical mags like Car Mechanics would have jumped on it.


They would, of course, have to consider advertising revenue. They probably aren't likely to kill the Golden Goose.


It ought to be mentioned that HJ has recommended Millers Diesel Power Sport in "The Daily Telegraph" for certain purposes.


Consider this, from: www.theultimatefinish.co.uk

"Benefits:
* Increases powers by upto 17.5%
* Reduces emissions - up to 70% less exhaust smoke & up to 20% less carbon emissions
* Increases MPG - up to 7% economy improvements
* Cleans injectors
* Increases fuel rating by upto 4 octane numbers
* Improved throttle response
* Easier starting, quieter, smoother running engine
* Prevents fuel from ageing"


So, according to that, it "cleans injectors" (is this necessary?), "improves throttle response" (would one really perceive this, I wonder?), and engines "start easier" (benefit=??), are "quieter" (how so?), and are "smoother running" (same perception question), and it prevents fuel from ageing (this cannot of course be an absolute effect, unless it's a real miracle). It seems to me that the above effects must be measurable in some way, even if they're infinitesimally small, or legal action might be forthcoming. With regards the "Increases X by up to Y%" statements, well, the words "up to" clearly include the number "0" so it might be described so, and have no effect on X at all (although the effect should not be negative!).

The only thing that seems to me undeniable is that it costs a bit over tuppence a litre of fuel to use this stuff.
Millers Diesel Power Sport 4 - brum
So according to that it "cleans injectors" (is this necessary?)


Yes, injectors get gummed up/ coked up, this happens over time and is related to fuel quality, age, useage, and engine design etc. Use of detergent additives in fuel is seen as beneficial by major fuel producers, in the same way as detergent additives are in oil. Unfortunately pressure from retailers discourage the use of additives because it costs...

A dirty injector does not have optimum spray pattern and can lead to poor atomisation - the symptoms of which are smoking, so reduced efficiency, power and driveability. More traditional methods of addressing injector problems are, having them cleaned by a diesel specialist, changing the injectors, italian tuneups and trading in the car for something else.

IMO Millers claims to improve power/mpg etc basically stem from its abilty to clean injectors. So maximum benefits will be seen by old smoky engines, and minimum gains would be had from brand new engines - although cleanliness will be maintained. In my experience with a VW 90bhp AHU TDi at 80,000 miles it took 3/4 tanks for the injectors to be cleaned using Millers. Initially smoking increased significantly and disappeared afer 3/4 tanks.
"improves throttle response" (would one really perceive this I wonder?) engines "start easier" (benefit=??) are "quieter" (how so?) are "smoother running" (same perception question)


IMO Definitley yes.
These are all due to the "Cetane booster". Increasing cetane number of diesel improves the ignition quality of the diesel and reduces diesel "knock" by slowing the combustion. Look it up.

This is the reason I use Millers. In my experience it turns a harsh diesel into a perceptibly smoother beast. It does happen gradually over a couple of tankfuls (maybe more if the injectors are dirty) and so it maybe too subtle for some to notice. But y
You do notice it when you stop using it. Of course results may vary as some engines are inherently smoother than others (even the same engine types)
it prevents fuel from ageing (this cannot of course be an absolute effect unless it's a real miracle).

Presumably it prevents oxidation, I personally have never experienced diesel fuel ageing and my opinion is that a well designed fuel tank system would prevent it largely from happening.

I am very cynical by nature, and dismiss the vast majority of additives. (My experience of Slick50 taught me a lot). But Millers DPS4 works for me.
Millers Diesel Power Sport 4 - jbif
use addatives


What is an "addative" [ oft repeated by some ]?

Millers Diesel Power Sport 4 - FotheringtonThomas
What is an "addative"


Drat. You've got me there. I blame computers, excessive use tends to make my spelling and grammer atrocious. I notice the same goes for writers in "The Daily Telegraph" (not HJ).
Millers Diesel Power Sport 4 - jbif
Drat. You've got me there. I blame computers, excessive use


Agreed. I have to consciously fight against it myself.
Your not alone. Ignoramuses on "The Register" have lead me to loose the ability to spell come common words. I often want to correct there errors and give them a peace of my mind just for the piece of my mind.

* [ You're, led, lose, their, piece, peace ]

Edited by jbif on 29/08/2008 at 18:28

Millers Diesel Power Sport 4 - ifithelps
Quoting me, Andy Bairsto wrote: "My Focus goes better with Power Sport 4 in the tank - that's a fact."

Of course it does!

Andy,

I said my car goes better with the additive, which is a statement based on my experience.

Yet all you can post in response is sarcastic drivel which is effectively calling me a liar.

I suggest that before you start making bold statements in future, you do a bit of research and try and get some facts.

I did have another suggestion for you, but I'll not post that, if only to save the mods the trouble of deleting it.
Millers Diesel Power Sport 4 - Collos25
Now now
Millers Diesel Power Sport 4 - ifithelps
Now now


You don't mess with ifithelps when he's had a slug or two of Millers for breakfast, I can tell you. :)
Millers Diesel Power Sport 4 - MikeTorque
True...you'd be dead.
Millers Diesel Power Sport 4 - ifithelps
And having swallowed all that cetane improver stuff you might not take much cremating, either.
Millers Diesel Power Sport 4 - Spospe
This matter can only be settled by objective and controlled measurement. It is the sort of thing that a motoring program on TV could do, but wont.

What a pity because it would form an example of Public Service broadcasting that actually performed a useful service for the public.
Millers Diesel Power Sport 4 - jbif
This matter can only be settled by objective and controlled measurement


Some of this additive stuff tested in the USA:
www.ftc.gov/bcp/edu/pubs/consumer/autos/aut10.shtm

"Devices Tested by EPA
The following list categorizes various types of "gas-saving" products, explains how they're used and gives product names. Those with asterisks may save measurable, but small, amounts of gas. All others have been found not to increase fuel economy.

Fuels and Fuel Additives. These materials are added to the gas tank.
The EPA has evaluated: Bycosin; EI-5 Fuel Additive; Fuelon Power; Johnson Fuel Additive; NRG #1 Fuel Additive; QEI 400 Fuel Additive; Rolfite Upgrade Fuel Additive; Sta-Power Fuel Additive; Stargas Fuel Additive; SYNeRGy-1; Technol G Fuel Additive; ULX-15/ULX-15D; Vareb 10 Fuel Additive; XRG #1 Fuel Additive.

Oils and Oil Additives. Usually these materials are poured into the crankcase.
The EPA has evaluated: Analube Synthetic Lubricant; Tephguard. "


Edited by jbif on 29/08/2008 at 18:36

Millers Diesel Power Sport 4 - MikeTorque
Objective measuring using scientifically controlled conditions where all the variables are strictly controlled is one way of measuring, changing any of the variables and you may well get a different result.

What matters is the particular result achieved by an individual, albeit by some combination of manipulation/adjustment of their own set of variables. One person may find a large improvement whilst another a small improvement or none at all or even negative. Much depends on the set of skills an individual has and how well they can consistently apply them.

For example, a pilot can hit a target 100 times out of 100, whereas someone else achieves 90 out of 100, who would you prefer as your wingman ? Sounds easy to answer until you look further into the data variables such as weather and combat conditions at the time. Considering the 90 out of 100 was achieved in demanding conditions whereas the 100 out of 100 was achieved in near prefect conditions we conclude the 90 out of 100 is an overall better achievement once the variables are considered.

The same type of achievement considerations apply when measuring fuel additive effectiveness, fuel consumption, impact on engine reliability and economy, increased/decreased exhaust pollution etc.
Millers Diesel Power Sport 4 - FotheringtonThomas
Objective measuring using scientifically controlled conditions where all the
variables are strictly controlled is one way of measuring changing any of
the variables and you may well get a different result.


That is why I'd love to see some sort of real test results on these products. It is simply not good enough for "X" to say that "I use product Y and it does Z" and then for someone else to deny it. Measure these things on a test-bed (maximum power, economy at various constant speeds, etc., etc.) and see what really happens. I was interested to see the US figures pointed to by the link above. I'd like to see more such.
Millers Diesel Power Sport 4 - hypocrite
I'm in the process of trying this additive with different brand fuels. One problem I have is how to add it to a tank. At the moment I put two tanks dose in a plastic fuel can then top that up with diesel. Then after shaking I decant about half into the tank.

Is there an easier clean way? With the anti roll-spill seal, anti syphon bits and a long run to the tank from the filler is there a way of doing that they doesn't either leave lots in the fuel filler neck/mouth or not get it mixed up enough.

Thanks,

Simon

Edited by hypocrite on 30/08/2008 at 00:31

Millers Diesel Power Sport 4 - andyfr
Is there an easier clean way? With the anti roll-spill seal anti syphon bits and
a long run to the tank from the filler is there a way of doing
that they doesn't either leave lots in the fuel filler neck/mouth or not get it
mixed up enough.


I just put it into the tank before I fill it, the process of filling should mix it well enough.

Andyfr
Millers Diesel Power Sport 4 - gordonbennet
I've mentioned this on another thread, i came across an independent testing of millers on the web thingy..
I remember seeing the photo's of before and after use of the injector nozzles and spray patterns from the same injectors, reasonable proof of the cleaning properties.

I unthinkingly failed to save them, but as this thread is still running, maybe someone else may have seen this or may have more success than me in finding this test.
Millers Diesel Power Sport 4 - hypocrite
yes but how....The fuel filler spout reaches a couple of inches down the filler pipe and doesn't wash the sides until even further down. Should I use a funnel ? Otherwise with the small inset fuel opening on my car I don't see how I can get it all in. Evaporation?

Should I use a finger to hold the flap open then try to tip the measuered dose in. I'm not conviced that I can get that to work accurately every time.
thanks,

Simon
Millers Diesel Power Sport 4 - Pugugly
I'd use a funnel.
Millers Diesel Power Sport 4 - andyfr
yes but how....The fuel filler spout reaches a couple of inches down the filler pipe
and doesn't wash the sides until even further down.


I always fill right to the brim.
Millers Diesel Power Sport 4 - focusman
is power sport 4 ok to use on a 08 bmw 2.0 diesel, does using it affect the warranty
thanks
Millers Diesel Power Sport 4 - Brian Tryzers
Regardless of the warranty, what problem would you be hoping to solve? The BMW 2.0 diesel is universally lauded as one of best-performing, smoothest and most fuel-efficient engines anywhere. If it could give of its best only with a magnet on the fuel line, a feng-shui consultant in the passenger seat or a slug of snake oil in the tank, I suspect your BMW Owner's Manual would say so.
Millers Diesel Power Sport 4 - focusman
willdebeest
i was mainly thinking of protection for the pump and keeping the injectors clean.
like you say the bmw diesel is smooth and efficient, just like to keep it that way. i have not got the car yet, delivery in october.
is there any reason not to use. like others have said cheaper using it with normal diesel than optimax or whatever super fuels.
Millers Diesel Power Sport 4 - Pugugly
Having run BMW diesels (mainly 3.0s) from new I have never felt that they required any additives to keep them smooth - If I intended to, I'd be tempted to ask what implications there are for the warranty.
Millers Diesel Power Sport 4 - brum
Use of any additives in fuel/oil etc will instantly invalidate warranty if the manufacturer was to know. Something out of their control. However I doubt they would ever know if Millers had been used if you didnt tell them.

Personally I'd have no qualms about using it in any diesel.

IMO the advantages are

1. Provides extra lubricity (e.g. for supermarket fuel) particularly important for CR I would think.

2. Smoother idling/running/easier starting due to cetane boosters - see en.wikipedia.org/wiki/Cetane_number

3. Keeping injectors and piston crowns clean with detergents prevent long term deteriation in economy, power and performance and possibly repair bills.

Millers Oils have been around long enough (120 years) and their main business is not snake oil, but commercial/industrial lubricants. I believe DSP4 is a similar kind of additive package to that found in some premium fuels (e.g. BP ultimate) and is a cheaper alternative.



Don't however under any circumstances ever use SLICK50!!

Edited by brum on 31/08/2008 at 23:25

Millers Diesel Power Sport 4 - brum
Oh.....and don't leave the bottle in the car if you take your car in for repair or service whilst under warranty!!!!
Millers Diesel Power Sport 4 - Collos25
"Don't however under any circumstances ever use SLICK50!! "

Whats this rebellion in the snake oil user camp.

Just as a matter of interest where is Millers refinery?
Millers Diesel Power Sport 4 - Manatee
As far as I know Millers does not own a refinery, as I'm sure you know. It is a long established specialist oil company based in Brighouse, in the West Riding, about a mile from my childhood home.
Millers Diesel Power Sport 4 - brum
Whats this rebellion in the snake oil user camp.
Just as a matter of interest where is Millers refinery?


Don't think Castrol have a refinery, or Fuchs or Fords or Delco or Halfords or lots of other "oil" companies either. They must all own snake farms....
Millers Diesel Power Sport 4 - Brian Tryzers
Well, not sure what counts as long term but my Volvo D5 has had only a couple of tanks of premium diesel (and then because I was in a hurry and that was the only pump free) to interrupt a steady diet of Shell Diesel Extra, the odd gulp of - gasp - Tesco, and five holidays' worth of whatever I could get in France; never a drop of anything out of a bottle. And that's over 82,000 miles in coming up to six years. Performance (subjective) seems as good as new; fuel economy (measured) is, if anything, better; I never see any smoke from the exhaust and nor has any of its three MoT testers. And this is a car that, for four of its six years, has done more than its share of low-speed driving.

I know this is only anecdotal but I simply don't see a problem for Millers and the like to solve. Better, I'd suggest (to Focusman and his coming BMW) to feed it well, run it in carefully (but not too carefully) and give it some proper exercise once in a while. Don't know about the BMW but the Volvo makes a gorgeous noise if I take it to 60 or so in 3rd and then block-change to 5th. I make a point of doing this a couple of times a trip - once it's warm, of course - and it still gives me 46mpg.
Our other car is a new Toyota diesel, and we're treating that much the same.
Millers Diesel Power Sport 4 - Collos25
Thats more like it.
Millers Diesel Power Sport 4 - brum
Whether you use additives or not, the decision is the individuals in much the same way as whether you decide to use expensive synthetic oil or cheap mineral oil, whether you change oil at 3000 miles or 20,000 miles, whether you use BP ultimate, Shell or Morrisions fuel.

Everyone has an opinion. Its also a cost versus benefit thing.

How a car engine "deteriorates" with age and by how much is subject to many variables. All car engines loosen up (wear) with age and so improve fuel consumption and performance wise. What is largely unknown however is what potential a high mileage super clean (internally) engine has over one that is not clean.

Even the oil companies (e.g. Mobil/Shell/BP) try to make a case, but the answer is probably very little, although "very little" over the lifetime of a cars engine might mean £1000 worth less fuel, and/or £1000 worth of repairs (I'm talking about engines at 150,000 miles+)

My opinion is that this Millers product does not belong in the category of "snake oil", however I agree the marketing (e.g improved mpg) is over zealous because people don't really understand how products like these (and others like BP ultimate) really work.

Edited by brum on 01/09/2008 at 14:06

Millers Diesel Power Sport 4 - Brian Tryzers
I had a brief look yesterday at the Millers website. Someone up-thread mentioned independent research, but there's no mention of it there. I'd have expected a link or a citation if the testing had shown anything good about the product.
Millers Diesel Power Sport 4 - Manatee
Well not sure what counts as long term but my Volvo D5 has had only
a couple of tanks of premium diesel (and then because I was in a hurry
and that was the only pump free) to interrupt a steady diet of Shell Diesel
Extra


Shell Diesel Extra is in fact a premium diesel, introduced at 'normal' prices ahead of V-Power diesel - so Shell has been doing the additising for you ;-)

I hadn't realised until a week or so back when I came across it in Northumberland (it was never introduced universally) that it was still on sale - it seemed now to be at premium diesel price though.

Andy B can pooh pooh all he likes - it's a fact that injectors get dirty and consequently work less well, and also that a Millers type additive keeps them clean. The one shot Forte type are supposed to be better for cleaning dirty injectors, but when I had a very smoky Scorpio diesel, a couple of tanks treated with Millers improved it no end - fact.

As to the lubricity element - the only lubrication for the high pressure pump in a CR is the fuel - I'm sure someone will point out that all fuel meets the relevant standards, but the fact remains that within those standards diesel is a very variable commodity.
Millers Diesel Power Sport 4 - craig-pd130

A late addition to this thread -- here is a link to scans of Millers' research data on DPS4, on the SeatCupra forum.

www.seatcupra.net/forums/showthread.php?t=188065

The dyno figures don't show any improvement, but oddly the peak bhp and torque readings are achieved at lower rpm ....
Millers Diesel Power Sport 4 - MikeTorque
...and notice the significant reductions in emissions data and cleaning improvement using MDP4.
Millers Diesel Power Sport 4 - Akin
As an addendum, I have just started using Shell V power diesel and after the first fill up I noticed that my car, honda accord 2005, brought out some white smoke with some pungent smell. Is this a good sign? or I should go back to my usual Shell Diesel Extra.
Millers Diesel Power Sport 4 - craig-pd130
Agreed, it does seem it did a good clean-up job.

But on that basis I'm not sure how much DPS4 would benefit a car that's been run on a high-detergency fuel like Diesel Extra / Excellium / the new Esso stuff from brand new ... in these cases the injectors, pistons etc shouldn't be furred up.

I suspect that's why my previous Passat never showed any benefit from different fuels or additives (Millers, Stanadyne etc).

It had been run on Shell Diesel Extra from the second tankful, so if Shell's claims were accurate the combustion chambers should be clean as a whistle :)
Millers Diesel Power Sport 4 - MikeTorque
Lowering a probe with a micro camera attached to the end to look inside an engine cylinder shows the difference a quality fuel or DPS4 makes to the combustion area and injectors. That in turn contributes to a cleaner burn and optimal energy release for any given engine.
Millers Diesel Power Sport 4 - drbe
Lowering a probe with


Where and when did this happen?

Any before and after photos?
Millers Diesel Power Sport 4 - gordonbennet
Well, just bought another 5 litres of the lovely stuff and split it with my mate.;)

He bought a 05 (i think) fiesta diesel a few months ago and its never run to his satisfaction, he's had a remap that helped but it still had hesitancy and signs of 'pulling back', he had it checked out at the dealer who loaded the latest software, still the same.

He called on Thursday afternoon and picked up his Millers and sloshed a good dose in, rang me up this morning and he's over the moon, car is now 100%.

I do hope the disbelievers don't change their minds, if sales go up too much, Millers may put the price up..;)

By the way thanks to the poster who linked those pictures from the Seat forum, those were i believe from the same set to which i referred some weeks ago.

Edit...craig pd130 thanks.

Edited by gordonbennet on 27/09/2008 at 19:17

Millers Diesel Power Sport 4 - El Hacko
if u bought a 5 litre pack, where is it available, GP?
Millers Diesel Power Sport 4 - gordonbennet
if u bought a 5 litre pack where is it available GP?


Try here...just gone up from £60 to £65 by the way, but with free postage, should have bought my new batch a few weeks ago...such is life.

tinyurl.com/47xu7p
Millers Diesel Power Sport 4 - Mr.Tee43
Just spotted this thread and thought I would tell you my tale !

I run a 98 Toyota HiAce 2.4 diesel with 105000 miles on the clock, and last week it went in for its MOT.
It failed on a leaking exhaust box and it failed the emissions test.They did the emissions twice but it still would not get under the limit.

To be honest I was not surprised as it did pump out quite a bit of black smoke. So down to Halfords for something to bung in the tank to try and get it through the test.

Now I live a few miles away from Millers and a friend who used to do some serious drag racing was sponsored by them, nothing much but free oil etc, and a lot of people give them praise.

So out of the handful of products available, I bought the above named brew even though it was more expensive than others.I put £10 of diesel in and gave it a double dose and gave it a good run till the tank was again empty and repeated the process again.

Took the van back in, and after the new exhaust box was fitted, it was retested and Voila, one nice new MOT.

I have to say, I was always skeptical about this "snake oil" but the van is running better now and produces much less smoke so a big thumbs up from me !
Millers Diesel Power Sport 4 - El Hacko
thanks GB