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Thread: Running B99 - Diesel Fuel

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    Nukldragger's Avatar

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    Running B99 - Diesel Fuel

    Has anybody here had any experience running B99 in a 6.7L?

    76 Stations around here sell it.

    I’ve run two tanks, and the motor seems to like the extra cetane.

    I’ve heard a little about higher water content, more filtration/separation required, fuel system corrosion, etc.

    Also curious about running the B99 with a tune if anybody has experience with that.

    Much appreciated!


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    CrazyTrain's Avatar

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    Re: Running B99 - Diesel Fuel

    I try to stay away from biodiesel as much as possible.

    My nephew worked at a biorefinery as a chemist, and he told me not to trust the crap they put out, especially at certain times of the year.

    Those times coincided with their state/federal quality checks.

    I’ll burn it in my tractors and mowers, but not in my $80k truck.

    That being said, I burn a ton of ethanol and E85 in my other vehicles with excellent results.

    2021 Ram 3500 DRW, H.O., bypass oil filtration, bypass coolant filtration, S&B CAI, 4:10’s
    2wd low loc kit.
    Reacquired 2001 3500, 5.9 nv4500, dually cab and chassis, 5” straight pipe, edge juice w/attitude. Otherwise all stock…..for now.

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    Rambling Rump Ranger! SyN's Avatar

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    Re: Running B99 - Diesel Fuel

    I had a chance to chat with the Tanker Driver @ the local Shell Truck stop whom was stopped and Unloading his load of Diesel to the truck stop.
    I asked him - where this load of fuel come from and what type of additives is added.

    He specifically told me that the company whom he loads from - adds their own additives & he did comment that most diesel delivered all over the county has some percent of bio added.
    He said normally 5-20% - some have it posted at the pump - most don't.
    I thought he mentioned - posting it at the pump is not mandated.

    Note: Take his comments with a grain of salt.
    I do know Local Loves Country Store actually posts the biodiesel sticker at the pump - 5 to 15% biodiesel added!

    I have filled up their many times with never a issue - But I as well have always added a Proper Amount of Hot Shots Secret (EDT) or Winter Anti-Gel @ every fill-up.

    Note Again: Local Shell or Phillips 66 truck stop does not post it at the pumps.
    I asked the attendants on duty at the time if they new - Ya I got the - (I Just Work Here) Stare

    2017 Bighorn (Delmonico Red & Chrome) CC-HD2500-4WD-6.7L-3:42w/Anti-Spin
    Oil: -SHELL- Rotella T6 5W-40 & T5 15W-40 combo w/LF16035
    68RFE/BW44-46/Power Steering: -Red Line- C+ ATF
    Frontend & Rearend: -Red Line- SAE GL-5 75W-90NS
    Many Small Mods: Interior & Exterior
    Mileage: 28,541

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    CrazyTrain's Avatar

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    Re: Running B99 - Diesel Fuel

    Biggest thing I recall nephew referencing was, tons of water.

    Keep an eye on filters, etc.and on keeping the additives going into your tank.

    2021 Ram 3500 DRW, H.O., bypass oil filtration, bypass coolant filtration, S&B CAI, 4:10’s
    2wd low loc kit.
    Reacquired 2001 3500, 5.9 nv4500, dually cab and chassis, 5” straight pipe, edge juice w/attitude. Otherwise all stock…..for now.

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