Diesel Fuel Conditioner question

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by MartinFromBC, Jul 10, 2019.

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  1. Jul 11, 2019 #11
    MartinFromBC

    MartinFromBC Road Train Member

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    Thanks for the replies gentlemen.
    I was more asking about the lubricating qualities of it, than it lowering the gelling point temp of the fuel. The diesel I get here in winter to the yard is good till -32 degrees. I pour Howes right into my yard tank, just before topping it off.
     
    MartinFromBC, Jul 11, 2019
    MartinFromBC, Jul 11, 2019
    #11
    Intothesunset Thanks this.
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  3. Jul 11, 2019 #12
    Diesel Dave

    Diesel Dave Last Few of the OUTLAWS

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    19FD7E62-5CC3-40BA-B2EB-503A8185E908.jpeg I throw this stuff in about every 5,000 miles or so. Call it snake oil or whatever. But it works for me. Just a little insurance and a peace of mind.
     
    Diesel Dave, Jul 11, 2019
    Diesel Dave, Jul 11, 2019
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  4. Jul 11, 2019 #13
    bigguns

    bigguns Road Train Member

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    Why would you put something other than diesel fuel in filters when you change them?
     
    bigguns, Jul 11, 2019
    bigguns, Jul 11, 2019
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  5. Jul 11, 2019 #14
    bigguns

    bigguns Road Train Member

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    By doing some research you will find that adding 2 cycle engine oil to fuel is one of the best lubricating additives out there.
     
    bigguns, Jul 11, 2019
    bigguns, Jul 11, 2019
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  7. Jul 11, 2019 #15
    062

    062 Road Train Member

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    It’s a injector cleaner. Some people used to fill them with atf. Haven’t had any problems yet. Only had one injector go bad, and that was on a N14 with roughly 1.3mil
     
    062, Jul 11, 2019
    062, Jul 11, 2019
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  8. Jul 11, 2019 #16
    magoo68

    magoo68 Road Train Member

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    It’s far safer than filling with diesel which may contain water..
     
    magoo68, Jul 11, 2019
    magoo68, Jul 11, 2019
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  9. Jul 11, 2019 #17
    bigguns

    bigguns Road Train Member

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    A filter filled correctly will stop any possible water contamination.
     
    bigguns, Jul 11, 2019
    bigguns, Jul 11, 2019
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    Rideandrepair Thanks this.
  10. Jul 11, 2019 #18
    uncleal13

    uncleal13 Road Train Member

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    I read that Bosch whom makes the high pressure fuel systems/injectors for a lot of trucks reported that the failure rate of injectors in the USA is close to 8 %.
    In Europe and Canada it is under 2%. This difference they attribute to the lower lubricity standard that the USA has compared to Europe and Canada.
    So there may be a long term benefit to the use of fuel additives.
     
    uncleal13, Jul 11, 2019
    uncleal13, Jul 11, 2019
    #18
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  11. Jul 11, 2019 #19
    MartinFromBC

    MartinFromBC Road Train Member

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    I basically have had almost no injectors fail in 34 years of driving and now with a small fleet of trucks, my problem was when i had a Cummins in a truck years ago, that one engine was more problem than the dozen Caterpillars and six Mack powered trucks I have now. It forever has made me not like cummins engines, millions like them, but not me.
    People keep trying to tell me my MP8 Mack engines are going to be plagued with massive amounts of injector problems. Yet not a single one has been a problem out of all six trucks. If they do have a problem someday, no biggie, replace them. It really is not that bad to swap them out. I am in a small town, and even here in small town Revelstoke is a shop that can do them for me, and its a 3 minute drive to them. They to tell me that they see very few injectors fail on the Mack MP / Volvo D series engines, and so not to worry. When I had just my three original Mack trucks I went to talk to them about it, they said relax, sure they can fail, but they don't very often. As Mentioned I always do add a fuel additive to the fuel in winter. The summer diesel blend here has better lubricating qualities than the winter fuel does, so i don't add anything to the fuel in summer. Maybe all that additive was a contributing factor in my lack of problems over the years.
     
    MartinFromBC, Jul 11, 2019
    MartinFromBC, Jul 11, 2019
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  12. Jul 11, 2019 #20
    AModelCat

    AModelCat Road Train Member

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    Should never prefill a fuel filter. Always use the primer pump to fill it with fuel. The tolerances are so tight in a fuel system these days that even "clean" diesel from a jerry can won't meet the cleanliness standards required in a fuel system. Hell even engine oil straight out of a pail or jug contains lots of particles. Ever wonder what that film is in the bottom of the jug once you've emptied it?
     
    AModelCat, Jul 11, 2019
    AModelCat, Jul 11, 2019
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