Diesel Fuel Additive (1 Viewer)

Feb 22, 2011
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Newcastle under Lyme
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Hymer B544 A Class
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Since 2015
Does anyone use this ?
I always buy the cheapest supermarket diesel usually Asda and to date have mostly been on roads in Wales and Peak District.
At the end of April I`m off up to Scotland, so a few hours drive up the M6.
Is it worth getting some to give the engine a blast through ?
Forte was mentioned on here by @Geo I think, and he recommended it but I believe it`s not available retail so I may have get something from Halfords if I decide to give it a try.
Research online seems to go from complete waste of money to making the engine quieter, smoother, more mpg and more power !
BTW it`s a 2.8 JTD (2003) 57k and running fine.
So, what do funsters think about it, do you find any benefit ? and if so which one
 

ambulancekidd

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Sep 23, 2014
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Since 1964 Gosh that makes me feel old.
I owned a 2.7 diesel Mercedes c class which did 52mpg no matter how it was driven but, if I used supermarket fuel the mileage dropped to 42mpg! I probably wouldn't have believed it if I hadn't seen it with my own eye's.
 

TheBig1

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Nov 27, 2011
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many many years! since I was a kid
£13.40 delivered


and yes it is very worthwhile

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FJmike

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Jul 17, 2014
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When Geo mentioned Forte he said not to buy from eBay as there were a lot of fakes, he did say that he had been offered money for his empties. I ordered mine from Amazon, it was a reseller but when it arrived it was sealed so I assume it's puccka. It was a couple of quid dearer than Ebay.
 
Jan 29, 2014
1,310
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Autotrail Apache
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July 2013
Waist of money just give your engine a a thrashing say once o week.
I am talking 3000 revs for 15 mins will do as good as any additive.
Treat now and again to some top price supermarket fuel.
espasily the newer engines ie euro 5 etc.
Every one wants to drive at 2000 revs to save fuel. BUT HOW MUCH DOES IT COST TO HAVE A EGR CLEANED OR IF THE DEALER/ GARAGE CANNOT BE ARSED TO CLEAN EAN JUST FIT NEW.
SO FRASH AND KEEP CLEAN CHEEPER.
 

injebreck99

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Dec 5, 2011
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Diesel Magic made by Comma, sold by Wilco and probably others, guaranteed to work. End of.

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DuxDeluxe

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Jul 10, 2008
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Forte is a pretty good engine cleaner and recommended by a lot in the trade. Well worth sticking some in the tanks a couple of weeks before the MOT and giving the van a good old fashioned "Italian tune up". The emissions test should be a breeze after that

Just to put a misconception to rest (but someone will always argue, despite the chemistry proving otherwise) and no disrespect to the others on here.....

  • All diesel road fuels sold in UK and Europe must by law meet or exceed EN590
  • It doesn't matter really where you fill up as the way the specifications are written means that whatever the brand, the components are pretty well identical. Nobody wants to lose money in a competitive business so "giveaway" is at the bare minimum
  • Branded fuels and supermarket fuels both have additives - in a few parts per million; things such as anti foaming additive for diesel. For all practical and analytical purposes it is the same stuff
  • Different additives in branded fuels make no practical difference except to the wallet. Think of Shell advertising "up to 2 litres per tank" or BP advertising "up to 21 miles per tank" - read the disclaimers and do the maths
  • In fact different brands such as branded and supermarket fuel often comes out of the same tankage. Stand outside Vopak in Thurrock and see for yourself
  • If supermarket fuel is substandard then why....
  1. Aren't customs and trading standards crawling all over them?
  2. Why do so many people fill their vehicles at supermarkets without problems?
  3. Why aren't there broken down vehicles all over the place?
There is a difference between standard fuel and so called super fuels such as Shell VPower. The latter is in fact a synthetic fuel with a differing composition and much better burning qualities. These fuels do a great job of keeping the system clean due to added detergents and because of their higher calorific value, work well in performance engines and can result in improved mpg which (in my case almost balances the extra costs). Our MH runs normally on VPower as does the jag as both remapped engines. Dawn's Fiesta runs perfectly well around town and it's a diesel with a dpf) on Asda fuel.

Back to subject........
In our old van, after a close call at one MOT, we used to dose the tank with Forte and do the Italian tune up. SIL does the same with any of his vehicles (he is an MOT tester). The fuel itself? Personal preference really. You aren't going to get 20% worse fuel consumption under the same conditions by filling at ASDA etc.

Hope the above helps a bit
 

DuxDeluxe

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Waist of money just give your engine a a thrashing say once o week.
I am talking 3000 revs for 15 mins will do as good as any additive.
Treat now and again to some top price supermarket fuel.
espasily the newer engines ie euro 5 etc.
Every one wants to drive at 2000 revs to save fuel. BUT HOW MUCH DOES IT COST TO HAVE A EGR CLEANED OR IF THE DEALER/ GARAGE CANNOT BE ARSED TO CLEAN EAN JUST FIT NEW.
SO FRASH AND KEEP CLEAN CHEEPER.

Agree to a certain extent, but a dose of Forte with an older engine can make a bigger difference
 

MC 55 FUN

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Feb 18, 2016
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There's no such thing as '' Supermarket fuel '' - only fuel sold in supermarkets.

I've used Redex, Forte, BG244, Atomex & latterly Archoil over the years in diesel cars & have found Forte, Atomex & Archoil to be excellent fuel additives that do what they say they do.

Of course pootling about in a diesel powered vehicle, especially if equipped with a DPF is not best practice & regular '' Italian Tune Up's '' will help with reducing carbon build up.

Unlike some cheaper fuel additives Atomex & Archoil contain the desired molecular structure to survive combustion & will help clean E.G.R.V.'s & D.P.F.'s.

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Sep 25, 2012
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There will be differing opinions on this but personally just use a higher octane fuel as this in itself will as mentioned in other posts give a cleaner burn. I use VP power and with the remap the engine pulls like a train and NO have never had a problem with the clutch. The remapping was performed by superchips who keep the PS rating within the Engine parameters.

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MC 55 FUN

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There will be differing opinions on this but personally just use a higher octane fuel as this in itself will as mentioned in other posts give a cleaner burn. I use VP power and with the remap the engine pulls like a train and NO have never had a problem with the clutch. The remapping was performed by superchips who keep the PS rating within the Engine parameters.

Agreed, I use Shell V Power or BP Ultimate both in my diesel car & the MH & although I don't feel the need to remap the MH, I too can recommend Superchips.
 

MicknPat

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Surely its better to fill up with fuel such as Shell V Power or BP Ultimate diesel than to go out and buy an additive?

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DuxDeluxe

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What's an Italian tune up involve? And no filthy innuendo please @DuxDeluxe
Peter, this reply should be in the belly locker,

....for an Italian tune up, you need to love your car like Swiss Toni for a start, then start slowly, pumping on your throttle like mad until the engine reaches a crescendo, climaxing in all the pollutants being ejected from your exhaust.. Capish? :LOL:
 

MC 55 FUN

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Feb 18, 2016
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Surely its better to fill up with fuel such as Shell V Power or BP Ultimate diesel than to go out and buy an additive?

True, however specialist additives such as Atomex or Archoil improve the cleaning ability & burn quality further & with MH's rarely achieving the kind of driving that diesel engines are really designed for, anything that helps prevent premature carbon clogging of the inlet manifold via the EGRV & premature DPF failure can't be a bad idea.

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DuxDeluxe

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High engine revolution driving, or thrashing it for a while :)

What a boring description.....;)

Agreed, I use Shell V Power or BP Ultimate both in my diesel car & the MH & although I don't feel the need to remap the MH, I too can recommend Superchips.

Surely its better to fill up with fuel such as Shell V Power or BP Ultimate diesel than to go out and buy an additive?

Very good for keeping the motor clean but as above somewhere, with older motors a dose of forte or similar works well as it is designed to de-gunk rather than keep clean

I tend to use VPower or Ultimate in both the Jag and the MH but only because I want to...........
 
Jul 5, 2013
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Peter, this reply should be in the belly locker,

....for an Italian tune up, you need to love your car like Swiss Toni for a start, then start slowly, pumping on your throttle like mad until the engine reaches a crescendo, climaxing in all the pollutants being ejected from your exhaust.. Capish? :LOL:
That is absolutely disgusting. I would suggest that you wash your mouth out with carbolic soap, but by the sound of it you already have.

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DuxDeluxe

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Depending on the Forte product used, the dosage is on the bottle & I used it every other tank fill up.
Don't think you need it that frequently as it will get a bit pricey. With our old van once every 3 months and the occasional fill of premium diesel is how we addressed it

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MC 55 FUN

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I have an almost new van. It has only 4000 miles on the clock after our trip to Italy. Do I really need this additive or premium fuel??

Both would be advantageous as not only do additives help prevent carbon build up they also dissolve carbon that has accumulated & carbon accumulates from the first mile of use.
 

DuxDeluxe

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I have an almost new van. It has only 4000 miles on the clock after our trip to Italy. Do I really need this additive or premium fuel??
1) Nope - if you look at the warranty it usually says not recommended
2) it never does any harm to put some premium fuel in. It might improve your consumption a bit and might feel better to drive and will certainly help keep the engine clean, but bear in mind that the vehicle is designed to run on EN590 basic pump diesel so it won't do any harm if you don't.........

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