Re: Diesel fuel?

Posted by paul on November 01, 2019 at 08:26:29 from (76.77.197.114):

In Reply to: Diesel fuel? posted by Geo-TH,In on November 01, 2019 at 04:52:38:

So the one thing people get confused on: dyed fuel.

They add a red dye to fuel that is not taxed for use in licensed, road vehicles. All the different blends of diesel fuel may or may not be dyed, it makes no difference to the engine running it. You want the right diesel fuel, but the red dye has zero meaning to the quality of the fuel or how your engine will like it. The non dyed stuff will cost more because you are wasting money on road taxes.

#2 diesel is the best for a hard working typical tractor engine.

Unless it is below freezing, we’ll below about 25 degrees, the fuel starts gelling. Means the little waxy bits become more wax and less liquid. They will stop up, plug, your fuel filter when it gets cold enough. Then it is hard to do much about it. Below freezing you want to either add some anti gel (Power Service or several others) or blend in #1 diesel fuel. #1 diesel fuel won’t gel until you get to minus 60 degrees F. But it costs more, and it is a ‘drier’ fuel so it will make your engine run warmer. This is good in winter, but not so good in summer. So you don’t want to run #1 straight all year long, in the heat of summer. The colder it gets, the more #1 you need to blend in, or the more anti gel you need to have mixed in. When it gets 10 below F or worse, you really need to be on top of this, the #2 can get very thick. It’s not fun trying to get thick diesel fuel out of your filters and lines when it is that cold.

Here in Minnesota, and other states I think, we have a 5% blend of soybean oil in the diesel fuel year around. In summer that blend goes up to 20% here. Soybean oil is great, it helps replace the sulfur lubricity we lost and makes your engine last longer, and it is a good solvent t keep crud from building up on your fuel system (in an old dirty vehicle, you might need to change the filters if you start using a higher blend of bean oil, it scrubs out all the gunk....). But, the bean oil will gel a little faster. So you don’t want to be running the 20% summer blend of diesel in a cold winter. Here they switch over on October 1st.

I have only added the bio-cide once for algae, when I had it show up. Normally this is a non issue and not something to fuss with. Anyhow around here.

Paul

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