Bought a bottle for my diesel TDI Jetta a couple years ago. It still runs great. Switched to regular seafoam for something that looks cleaner. Howes came from the bottle with yellow color whereas seafoam looks like water
I run it in my Dodge dually pickup that, started at 10 below and I went to town driving 40 to 65 mph and had no problems gelling up. I use it year round for a fuel conditioner.
It’s easiest to just buy winterized diesel. We order 50/50 for our winter diesel, and when it gets stupid cold (below -20), we’ll add Powerservice. Same with the Kenworth. Buy diesel fro Truckstops with winterized diesel, but we add Powerservice when it gets below 0. Those Paccar fuel filters aren’t heated and will gel up for no apparent reason.
As far as Howe’s, I prefer the Powerservice. I lost an injector once on the International using Howes (-33 degrees), which may well have been purely coincidental, but it keeps me from trusting it.
Here is the test done way back when ULSD was introduced, and I use a combination of TCW-3 2 stroke oil, and Powerservice DK+CB with every tank. I'm sure a new test could be conducted to update the results to current, but so far I haven't seen anyone attempt it.
In October I start filling my transfer tank with #1 and blend in a double shot of Stanadyne. That mixture gets blended into the remaining #2 that's in the various tractor fuel tanks.
By this time of year the #2 is long gone from the tanks and they're running on winter fuel.
Last few 100 gallon loads I've been adding Stanadyne every other fill up. Same for the pickups, add a jug at fill up.
I don't like dealing with fuel issues and see no reason to fiddle fuuck around and worry about things gelling up.
In October I start filling my transfer tank with #1 and blend in a double shot of Stanadyne. That mixture gets blended into the remaining #2 that's in the various tractor fuel tanks.
By this time of year the #2 is long gone from the tanks and they're running on winter fuel.
Last few 100 gallon loads I've been adding Stanadyne every other fill up. Same for the pickups, add a jug at fill up.
I don't like dealing with fuel issues and see no reason to fiddle fuuck around and worry about things gelling up.
Stanadyne is what we use year-round more so here for the extra lubrication in the newer fuels in older fuel pumps. maybe a different type under the same company that you all use up there where it's really freaking cold way too often. we have had zero fuel issues in years... use Howes if there's ever a sign of the algae in a fuel system somewhere..
To some degree it depends on the purpose - antigelling, water dispersal, lubrication.
And also the type of engine. What works and is helpful in a non-DPF engine may not be appropriate for a DPF engine.
I use it year round mostly for lubrication on my older diesel engines. When I have engines that won't run at full throttle in the winter because of frozen fuel lines I use Power Service to open them up.
I was in the wholesale fuel business for 27 years. I'm a big believer in diesel fuel additives, as today's ULS diesel fuels are worse than ever.
Would you recommend Mobil, or BP diesel ? If not, what would you recommend?
Most probably won't like to hear this but it's all the same, no difference. Whether it's a fuel terminal or refinery, once refined, diesel is stored in huge storage tanks. Whether we pulled diesel under suppliers like Shell, Pride, Flint Hills, Magellan, etc you will get a manifest showing exactly what you loaded, and regardless of the supplier the manifest shows the exact same specs. You can get data sheets for the batch of fuel in storage and its all the same. Minimum Cetane specs are State specific, and every batch of fuel sold after Oct 1 (around her anyway) is "winter spec" fuel.
FPPF Total Power for me. Buddy owns a busy independent diesel service/parts shop and that's what he tells me to use.
I'm pretty vigilant about fuel and filters as well. Fuel-filter swaps every 10K Mi. Once we're steadily below freezing, I'll add a glug or 2 of additive with each fill, Sort of depends on how much fuel I need. More often than not, I'm filling with 1/2 to not less than 1/3 tank when it's cold out. If temps are going to be single-digits or below zero, I run #1 with additive. Current '11 F250 6.7L w/215K Mi hasn't ever gelled/stalled and I bought it brand-new.
I gelled my '06 6.0L Ford PSD once in -20F ambient weather when I got caught w/straight untreated #2 during an unforecast cold-snap in early Dec. and decided I was going to do whatever I could to avoid that goat-rope in the future.