Am curious what is out there. List what fuel additive you like and what concencentration you use. Also add why you like your particular brand.

 

As far as what is out there, here is a comprehensive list of all diesel fuel additives registered with the EPA--> Alphabetical List of Registered Diesel Additives | US EPA

Typically I use 2-stroke oil, biodiesel, or powerservice. I like these because they are available locally (bio rarely). The two former I use for lubricity mainly and the latter for cleaning and lubricity. My additive use follows an ebb and flow pattern, sometimes I just rely on the additives already in the fuel.

 

5% biodiesel...

 

I've just owned my diesel since May, and being the "oil nut" that I am and already keeping it on hand for my gassers, I frequently use Marvel Mystery Oil. If used by itself, I use 6 oz per 10 gallons as recommended by a company person on their forums...

But, TCW3 Two Stroke Oil is often recommended for adding lubricity and even though I don't think that I get much (any) completely unadditized fuel like they used in that study of diesel fuel additives, I believe that a little extra lubricity can't be a bad thing and so if used by itself, I use it at 1 oz per 4 gallons or 2.5 oz per 10 gallons...

However, most of the time in the warm months, I've used a mix of the two at 4 oz MMO + 2 oz of TCW3 per 10 gallons...

Now, with colder temps coming on and based on good reviews and local recommendations, I use Power Service in the white bottle at 3 oz per 10 gallons and add 1 oz of TCW3 in with it. I noticed a worse smelling exhaust after adding the PS, is that to be expected? ...

...as I said, I'm new to my truck and diesels and this is just what I've used so far...they are all easily obtained and have good reviews - depending on where you read! They may not be everyone's favorites but based on all the research I've done, they each have desirable attributes...

I like the MMO for maintaining a clean system...

I like TCW3 for it's clean burning lubricating ability...in small doses...

I like Power Service to clean and make sure things flow well in the colder temps and the added cetane for easier starting...

I know diesel drivers that hardly ever use anything except maybe the occasional dose of Power Service in cold weather....but, these additives aren't expensive and if used regularly, I believe will help maintain a good working system...

Of course, I could be wrong!

 

schaeffers diesel treat 2000 one gallon per 2000 gallons diesel from what i remember it was scoring pretty good on the lubricity chart mentioned and reasonably priced

 

I like 2-stroke and Diesel Kleen, here is a chart too

 

I am also a fan of Diesel Kleen with 2-cycle oil.I use it in every fill up.I am bad about measuring so I am sure I get too much of each but at 276k the truck likes what I am doing.

 

I also use Schaeffers 2000.

 

Best cetane boost is Amsoil, Rolling big power, or RBP is the best value, 16oz treats 500 gallons for 26$. They sell one gallon also that treats 5,000 gallons. It last a long time. JMOP.

 

I use Diesel Kleen also. It does provide as much lubricity as others, but it is not expensive and easy to obtain. There's a thread that has an additive test which shows how much lubricity each additive actually provides The connectivity on my ship is poor so I can't search for it, but it's on here somewhere.

I've got over 213K miles and it's still running strong so I'm not complaining.

 

opti-lube here and really like it....

 

Fun fact- Opti-Lube mixes up their products from ingredients sourced from Lubrizol. A list of Lubrizol additives are in the list I linked earlier. I'm not trying to imply that opti-lube isn't good, lot's of people swear by it.

 

I usually use Powerservice. Mainly because of availability. I'm trying Howe's right now. Don't like it as well as PS. It seems to make things a bit noisier. As far as cleaning agents. In my experience, Gumout Diesel Fuel Treatment works about as well if not better than anything I've ever used.

 

I was at the dealer a bit ago and saw that they were selling DK. Hmm.

 

I use Stanadyne Lubricity Additive, but I have wondered about additives that boost Cetane - does anyone who uses them think they noticeably increase engine power?