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Thread: Millers Diesel Additive

  1. #1
    Regular Member WeDesign's Avatar
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    Vehicle : Vectra

    Trim : Design

    Engine : CDTi 150

    Year : 55

    Default Millers Diesel Additive

    What is the difference between Millers Power Sport 4 and Millers Ecomax

    http://www.dcp-shop.co.uk/buy-car-ac...ducts_id=22572

    and this

    http://www.millersoils.net/1_Millers..._AUTO_FUEL.htm

  2. #2
    Regular Member AntSSSS's Avatar
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    Vehicle : Vectra Estate

    Trim : SRI

    Engine : CDTI 150 (Z19 DTH)

    Year : 2008

    Mileage : 100k

    Default

    I think the Sport 4 is now discontinued and the ecoMax is the new one.

    Same stuff I think.

  3. #3
    Regular Member BoroDave74's Avatar
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    I used to use diesel sport 4 and was getting 5-7% mpg improvement. Then when I couldn't find it anymore I bought the ecomax stuff. Have had no improvement over non-additive use whatsoever. This did coincide with the temperature coming down for winter, but since Ive finished the bottle I still get the same mpg. This is all based on my figures since 19 March last year.

    Perhaps it works much better during the warmer months? But I can't recommend the ecomax on my own findings and certainly won't be buying anymore

  4. #4
    Regular Member WeDesign's Avatar
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    Vehicle : Vectra

    Trim : Design

    Engine : CDTi 150

    Year : 55

    Default

    Quote Originally Posted by BoroDave74 View Post
    I used to use diesel sport 4 and was getting 5-7% mpg improvement. Then when I couldn't find it anymore I bought the ecomax stuff. Have had no improvement over non-additive use whatsoever. This did coincide with the temperature coming down for winter, but since Ive finished the bottle I still get the same mpg. This is all based on my figures since 19 March last year.

    Perhaps it works much better during the warmer months? But I can't recommend the ecomax on my own findings and certainly won't be buying anymore
    So as Antssss said, perhaps Power Sport 4 was the older range which maybe has been replaced by the Ecomax variety

  5. #5
    Regular Member ditchp's Avatar
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    Vehicle : Vectra cdti estate

    Trim : Get a

    Engine : Dirty diesel

    Year : 2006

    Default

    same stuff i think, i am still using it in both car's and the work's van...seem's to help a little
    Midlands Mod Shop - NFFC.

  6. #6
    Regular Member WeDesign's Avatar
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    Vehicle : Vectra

    Trim : Design

    Engine : CDTi 150

    Year : 55

    Default

    Quote Originally Posted by ditchp View Post
    same stuff i think, i am still using it in both car's and the work's van...seem's to help a little
    Just read this on the Millers site

    Developed on the success of, and replaces, the popular
    'Diesel Power Sport 4'

  7. #7
    Regular Member Ian S100's Avatar
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    I used DPS4 in my CDTi for for the past 30k miles with little if any difference in mpg & the egr & manifold still failed at 45k - I've also had the boost sensor off to clean yesyerday & it was ulmost unrecognisable for muck so I'm not convinced by DPS4 cleaning qualities either. I'll finish what I have but won't be buying any more

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    Which did a test on derv additives, and the car they actually used was a vec 1.9cdti.

    The conclusion for all the additives (Millers was one of them) was no noticeable benefit.

  9. #9
    Regular Member r.bailey63's Avatar
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    Prefer the Forte products myself.

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