Diesel Fuel Lubricity and Cetane boosters

Diesel Fuel Lubricity and Cetane boosters

This is a discussion on Diesel Fuel Lubricity and Cetane boosters within the RAM 1500 Diesel General Discussion forums, part of the RAM 1500 EcoDiesel Forum category; After reading this review on Amazon: "We’ve been using Opti-Lube XPD and Oil Fortifier in our family and small business fleet of diesel vehicles for ...

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Thread: Diesel Fuel Lubricity and Cetane boosters

  1. #1
    RAM Rookie AZmavaz's Avatar
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    Diesel Fuel Lubricity and Cetane boosters

    After reading this review on Amazon:
    "We’ve been using Opti-Lube XPD and Oil Fortifier in our family and small business fleet of diesel vehicles for about eight years. We’ve seen mpg improvements, but the big benefit is how the products protect the engine and fuel system. Not one of our eight Duramax engines have experienced a single engine problem, no injector replacements on engines that have over 300,000 miles logged.
    These are great products that have proven themselves in our world."

    I decided to give Optilube's XPD a chance in my Eco for a while and I'm noticing a slight improvement of MPGs and HP (we're talking maybe 2-3%). Could be snake oil - but I figure what's the harm?
    Does anyone else have any other products they swear by for longevity and cetane boosting ability?

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    RAM Jr Member markcfoster's Avatar
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    I had never heard of Cetane, but just doing a quick Google search I see at least one claim that raising Cetane higher than a Cetane Number within the range already recommended by the engine manufacturer does not have any incremental value.
    https://www.bellperformance.com/bell...-busting-myths


    Sent from my iPhone using Tapatalk

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    RAM Guru Ram1's Avatar
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    I've been using Hot Shots. Cetaine isn't much of a concern for me but lubricity for the fuel system is.

    I don't know if it helps, really no way to tell but the cost is minimal.

    With injectors costing anywhere from $400 - $600 and fuel pumps in the thousands I figure it can't hurt to try and add some lubricity and pray the fuel pump holds together.
    Do not rule out working with your hands, but it does not preclude using your head.

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    RAM Jr Member Helidriver's Avatar
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    All of the diesel I’ve seen in the southern states has a bio diesel blend of 5-10% which negates the need for lubricity additives.
    Brandon

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    RAM Professional HYDREX's Avatar
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    I have a 275 gallon bulk tank and have switched to Opti-Lube XPD added to the tank. I know the Cetane rating before buying my #2, it's very good. I still kinda wish that I could find some B100 to blend in 2% for even better lubricity. Anybody in Maine or even NH know where I can find B100?
    17 CC 4X4 Bighorn Ecodiesel GDE Hot Tune, 08 Arctic Cat 700 Super Duty Turbo Diesel ATV

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    MAS
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    RAM Bronze Member MAS's Avatar
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    450k+ miles on 2 duramaxes

    785k+ miles on 3 5.9 cummins

    225k+ miles on 2 6.7 cummins

    No fuel pump or injector problems.... no additives
    Captainmal, sourdo and howie12 like this.

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    RAM Diamond Member Captainmal's Avatar
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    Your money. Put in what you want. The question unanswered is ,are the additives needed?

    Most owners do well adding nothing and keeping more of their money. Additive manufacturers do well when you give them your money. It comes down to a cost verses affect issue. Only thing is we really cannot document the affects.
    markcfoster likes this.
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    RAM Professional ncskibum's Avatar
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    The only time I run additives is when heading north in the winter. I want to make sure I can get back down south without out loosing body parts.

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    RAM Veteran John Jensen's Avatar
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    I use a mix of Archoil's AR6200 & Hot Shot's EDT every fill up. Not for improvements but as preventative maintenance. My short trips (95% of my driving) are the worst for a diesel. I have used the additives since new and never had an injector or any other problem and don't expect any.

    EDIT:
    Additives were tested for lubricity in 2007. Here are the top two "best" by a large margin over the others"

    1) 2% REG SoyPower bio-diesel
    HFRR 221, 415 micron improvement.
    50:1 ratio of baseline fuel to 100% biodiesel
    66.56 oz. of 100% biodiesel per 26 gallons of diesel fuel
    Price: market value

    2) Opti-Lube XPD
    Multi-purpose + anti-gel
    Cetane Improver, Demulsifier
    HFRR 317, 319 micron improvement.
    256:1 ratio
    13 oz/tank
    $4.35/tank

    Note It was a lubricity only test. There were several additives not tested at that time and there have been many more added since then. Thus the above results are not all inclusive but relevant.
    Last edited by John Jensen; 06-05-2019 at 10:00 AM.
    Dieselfever and Ram1 like this.
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    RAM Sr Member Jinx's Avatar
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    I have had really good results with Hot Shot Secret program, Hot Shot secret Diesel Extreme every six months and Hot Shot every day diesel treatment. The increase in cetane level makes my truck run smoother and quieter and so does Shell V-max. Also I'm thinking the higher cetane level should have the affect of a small amount of timing advance likely why my truck runs smoother and quieter with a slight increase in fuel economy. I was a Diesel engine mechanic at the time fuel companies went to low sulphur fuel initially this caused injectors to sieze ect. even newer engines that had low miles on them because the sulphur in the fuel that was acting as a lubricant to the fuel system was removed. Considering the cost of EDT and the cost of a new high pressure fuel pump or injector EDT is cheap insurance to have adequate lubricity. .
    sourdo and Ram1 like this.

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