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Loony661

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What I can tell you about diesel, is when the bio % is restricted to 5% in the wintertime, my truck runs real smooth, most noticeable at idle. In the warmer months when they increase the bio to 20% my truck idles rough. I’ve had this conversation with the fuel station owner, and his hands are tied by govt regulations. But he is not a fan of the bio diesel either.
 

Loony661

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Some, not all, off-road diesel still is not ULSD. You have to look for it, but can still get it, for now. What you do find is older fuel that is being sold to get rid of it. You are right that they do not make diesel with a higher than 15ppm sulphur content, but they still have a bunch of the 500ppm stuff in storage that they are using up in some off-road distributors. The ULSD stuff doesn't store well as it is a Petri dish for bacterias. That rust looking coffee grounds you find in diesels now is bacteria growth. It is a big problem as the higher sulphur content prevented it.
I change my fuel filters annually every September (or about) and I have noticed all the little black specks in the filter pleating. At first I thought it was rubber fuel line deterioration, but after replacing the line, it was still happening. That bacteria is totally preventable. Make diesel great again.
 

timg

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I change my fuel filters annually every September (or about) and I have noticed all the little black specks in the filter pleating. At first I thought it was rubber fuel line deterioration, but after replacing the line, it was still happening. That bacteria is totally preventable. Make diesel great again.
Blackness is usually what they call asphaltene contamination.
Brown snotty are usually algae contamination.
Both conditions take a different treatment to combat the effects.
I'm sure Larry can elaborate.
With the Sulphur being gone as a lubricant you could use a lubricate additive as long as you don't have an SCR/DEF afterteatment system.
 

Lnk

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Blackness is usually what they call asphaltene contamination.
Brown snotty are usually algae contamination.
Both conditions take a different treatment to combat the effects.
I'm sure Larry can elaborate.
With the Sulphur being gone as a lubricant you could use a lubricate additive as long as you don't have an SCR/DEF afterteatment system.
I just mix up some garden Sulphur in a quart of diesel and add it to my tanks.
 

Loony661

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Blackness is usually what they call asphaltene contamination.
Brown snotty are usually algae contamination.
Both conditions take a different treatment to combat the effects.
I'm sure Larry can elaborate.
With the Sulphur being gone as a lubricant you could use a lubricate additive as long as you don't have an SCR/DEF afterteatment system.
Interesting. I do treat regularly with Amsoil diesel additives. That has also helped the idling issue somewhat.
 

farminkarman

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What's the consensus of the bigger CC brush cutters?
Like a Stihl 550? Are they worth even a small portion of their price?
Are they as heavy as they sound at over 20#'?
Never used one. How big of stuff are you needing to cut down? I have a Husky 525L that I muffler modded and I mostly use it for string trimming, but I have a brush blade for it. If I keep the blade sharp, it will destroy stuff up to 1.5" pretty easily.
 
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