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Thread: which diesel additive

  1. #1
    Regular Member wardy's Avatar
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    Default which diesel additive

    I have a long trip comming up, and have been thinking of putting some fuel additive in the tank (one of the cleaning ones).

    Which one to go for?

    Its an 05 3.0cdti with 54,000 miles

    Ta

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    On a Sabbatical
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    Default

    millers

  3. #3
    Regular Member nokiaman1978's Avatar
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    2nd that millers, way better than redex.

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    Regular Member Grimo72's Avatar
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    3rd that millers





    oh and a italian tune up motorway always helps

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    Regular Member signum03's Avatar
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    4th that millers!

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    Regular Member nokiaman1978's Avatar
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    what have i started could be a long night

  7. #7
    Regular Member Celes's Avatar
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    Vehicle : Opel Signum

    Trim : Sport

    Engine : 3.0 CDTI

    Year : 12/03

    Default

    I'm never ever ever ever adding an injector cleaner in my 3.0CDTi again!

  8. #8
    Forum Moderator John LE's Avatar
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    Vehicle : Facelift Insignia/Corsa D

    Trim : LE/VXR

    Engine : 2.0 cdti/1.6 Turbo

    Year : 13/07

    Default

    Yep millers diesel sport 4, I always use it, cleans the fuel system and raises the cetane number of the diesel to give more power. A bottle lasts for ages too

  9. #9
    Regular Member m8internet's Avatar
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    Default

    Quote Originally Posted by wardy View Post
    I have a long trip comming up, and have been thinking of putting some fuel additive in the tank (one of the cleaning ones)
    Which one to go for?
    Its an 05 3.0cdti with 54,000 miles
    No matter how long the journey, it makes virtually no difference to the performance or economy
    Equally, if you drive at a constant 70mph then the engine will return its best economy, compared to general day to day drivng

    Have the original SCVs been replaced?
    If so, then no additives are required
    If not, then you may want to consider an additive that "claims" to lubricate the fuel pump, avoid injector cleaners

    I am currently waiting a response about the change in diesel on forecourts since 2004
    The Y30DT engine was designed around the diesel in supply in 2004, however by 2005 the sulphur content had been removed
    http://www.med.govt.nz/templates/Page____10375.aspx
    http://www.bp.com/liveassets/bp_inte...arineUsers.pdf
    As you can see in the above, "The last of these effects is detrimental to injector pumps that rely on the fuel to lubricate their moving parts", then read the secton on "Seal shrinkage"
    Sulphur has been reduced, but what additive is available to compensate for this?
    Sulphur is down from 500ppm to 15ppm
    Equally, if my calculation is correct then you could add millers products, but check the technical data sheet

  10. #10
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    Default

    Quote Originally Posted by m8internet View Post
    No matter how long the journey, it makes virtually no difference to the performance or economy
    Equally, if you drive at a constant 70mph then the engine will return its best economy, compared to general day to day drivng

    Have the original SCVs been replaced?
    If so, then no additives are required
    If not, then you may want to consider an additive that "claims" to lubricate the fuel pump, avoid injector cleaners

    I am currently waiting a response about the change in diesel on forecourts since 2004
    The Y30DT engine was designed around the diesel in supply in 2004, however by 2005 the sulphur content had been removed
    http://www.med.govt.nz/templates/Page____10375.aspx
    http://www.bp.com/liveassets/bp_inte...arineUsers.pdf
    As you can see in the above, "The last of these effects is detrimental to injector pumps that rely on the fuel to lubricate their moving parts", then read the secton on "Seal shrinkage"
    Sulphur has been reduced, but what additive is available to compensate for this?
    Sulphur is down from 500ppm to 15ppm
    Equally, if my calculation is correct then you could add millers products, but check the technical data sheet

    Just curious... could the change in Suplhur content contribute to the reasons why so many Injector seals go on the diesel engines?

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