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I have read several times that people put additives in diesel fuel during the winter months. Has anyone used Seafoam? I've had good luck with it in gasoline engines, but I'm new to the diesel world so my experience is limited. Any thoughts good or bad about Seafoam in a diesel application as a fuel additive?
 

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Seafoam is totally unnecessary in new engines... Everything in there should be spotless. I don't recommend any additives beyond what's in the fuel + oil already. It is sufficient.
 

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Manny, is that completely compatible with DPF?
 

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I mean hard proof showing results. I don't believe the manufacturers web site.
 

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I bought some cetane booster with winter protection, I'm on the second full tank to test it, hard to tell if it really works, friend of mine works with diesel trucks and guys always add this stuff for winter only and he said that you see a big improvement in very cold weather. And it's def approved...we'll see, since Manny mentioned that in many threads I did my homework and it seems that it's better to have it in than not...time will tell if it's really worth it.
 

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2013LT The go find the ahem Proof your self. I am here to help not Prove any thing and help education not argue with hard headed people.
Since many of us aren't diesel owners, 2013LT's question was a valid one. We have all seen way too many claims about fuel and oil additives helping cars where the only group making the claim is the manufacturer. When someone makes a claim here they really need to be ready to back that claim with sources. You may be correct; you may not be correct but under the belief that something is true. We are all susceptible to the latter. Thus the question.
 

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I wasn't trying to be a PITA. I would really like to see some proof lol.
 

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I've previously posted links to two independent third party test results.

It's too late for me to dig them up, but you'll find them.

The stuff Manny believes in tests alright but there's better according to the tests.


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The best lubrication you can add to diesel is 2% biodiesel which my state mandates in all diesel fuel. Google it for tests/results. No need for additives here unless I'm concerned with getting watery/improperly treated/old fuel at an unknown station.

The station I fill up has B5, a sunoco, and a local petroleum supplier. Not worried about adding anything.

I do have power service white in the trunk though and do tend to use some when the weather turns blistering cold as I feel that's the only time I've noticed a difference in all the other diesels I use.

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always use additives in your fuel. the diesel that is made today has half of the lubrication properties in it, than it used to. i use Amsoil diesel additive. increase in mpg as well. i used to own a trucking company and used it as a test- and i actually a pretty good increase in mileage.
fuel and oil arent enough now days, with the low quality diesel that we buy at the pumps. if the **** gov. would make b50 or b100 mandatory then there would be no reason for additives, except for winter and water times.
 

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always use additives in your fuel. the diesel that is made today has half of the lubrication properties in it, than it used to. i use Amsoil diesel additive. increase in mpg as well. i used to own a trucking company and used it as a test- and i actually a pretty good increase in mileage.
fuel and oil arent enough now days, with the low quality diesel that we buy at the pumps. if the **** gov. would make b50 or b100 mandatory then there would be no reason for additives, except for winter and water times.
Thankfully the **** government doesn't do that as our CRD would have problems with B50 or B100...After 2% bio blend there is no added lubrication benefit. My family owns a construction company with dozens of things running on diesel. So far...zero issues with ULSD with 2% Bio. There really is no need for additives except bitter winter/water time.

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I decided that I would only use Shell V-Power Diesel. It is normal diesel with an additive injected into it at the pump. If you look carefully at the pump you may see a small white line, similar to an ice maker water line. I believe the additive sits inside the pump housing.


I have no idea who replenishes the additive, or if the V-Power pump will continue to dispense if the additive reservoir is exhausted, but I'd like to know.

But here's what I referred to last night:


There have been tests done on the best diesel additive.

http://www.dieselplace.com/forum/76.../177728-lubricity-additive-study-results.html


Fuel Additive Test - Ultra-Low Sulfur Diesel - Diesel Power Magazine


So to save me from the hassle of measuring and pouring I'm just going to use V-Power and collect a few more Air Miles. Surely the folks at Shell are smarter than I am when it comes to pouring stuff down my tank.
 
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^Great line.. But could the folks at Shell want to squeeze every penny out of your pocket while offering the cheapest product they can?
 

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^Great line.. But could the folks at Shell want to squeeze every penny out of your pocket while offering the cheapest product they can?
No more I reckon than the folks at Power Service.


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I never ran a tank in my TDI without Power Service. It increases the cetane and increases the lubricity of the fuel. ULSD is a very "dry" fuel compared to the old diesel #2 I believe it was called.

I never had any issues with fuel gelling in the wintertime - even down to temps of -10*F.

I always kept a bottle of power service, 2 gals of diesel and and a bottle of diesel 911 in my trunk. Some guys even kept a new fuel filter in their trunk as well. Even though the mechanical knowledge doesn't transfer, there's a lot of good info/practices over on tdiclub.





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I never ran a tank in my TDI without Power Service. It increases the cetane and increases the lubricity of the fuel. ULSD is a very "dry" fuel compared to the old diesel #2 I believe it was called.

I never had any issues with fuel gelling in the wintertime - even down to temps of -10*F.

I always kept a bottle of power service, 2 gals of diesel and and a bottle of diesel 911 in my trunk. Some guys even kept a new fuel filter in their trunk as well. Even though the mechanical knowledge doesn't transfer, there's a lot of good info/practices over on tdiclub.




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N519AT-
thanks for that comment. i posted earlier on how the ulsd fuel isn't as good as the old number 2 as well. and someone commented and said no more than 2% of bio is needed. BS tear the motor down and see how long your fuel system parts last with out proper lubrication. must use additive now days, since they took the sulfur out of the fuel. the diesel motor was NEVER designed to run on petroleum!! Rudolf Diesel designed it to run off peanut oil.

ULSD is the worst thing the government has done to diesel, except for letting the oil companies raise the price over gas. which it should never be higher than gas. in mid 2004 the prices flip flopped and diesel became more expensive. needs to be flipped back. the public would buy more diesel powered vehicles if it was cheaper at the pump. the gov needs to learn a lesson from the Mexican gov. they mandate the price of fuel, so the **** oil companies can screw the public like they do here.
there needs to more bio in the fuel to make up for loss in sulfur. the **** we get at the pump is so dry now days it needs to be supplemented !
 

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I decided that I would only use Shell V-Power Diesel. It is normal diesel with an additive injected into it at the pump. If you look carefully at the pump you may see a small white line, similar to an ice maker water line. I believe the additive sits inside the pump housing.


I have no idea who replenishes the additive, or if the V-Power pump will continue to dispense if the additive reservoir is exhausted, but I'd like to know.

But here's what I referred to last night:


There have been tests done on the best diesel additive.

Lubricity Additive Study Results - Diesel Place : Chevrolet and GMC Diesel Truck Forums


Fuel Additive Test - Ultra-Low Sulfur Diesel - Diesel Power Magazine


So to save me from the hassle of measuring and pouring I'm just going to use V-Power and collect a few more Air Miles. Surely the folks at Shell are smarter than I am when it comes to pouring stuff down my tank.
Interesting. Thanks for posting those articles.
 

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N519AT-
thanks for that comment. i posted earlier on how the ulsd fuel isn't as good as the old number 2 as well. and someone commented and said no more than 2% of bio is needed. BS tear the motor down and see how long your fuel system parts last with out proper lubrication. must use additive now days, since they took the sulfur out of the fuel. the diesel motor was NEVER designed to run on petroleum!! Rudolf Diesel designed it to run off peanut oil.

ULSD is the worst thing the government has done to diesel, except for letting the oil companies raise the price over gas. which it should never be higher than gas. in mid 2004 the prices flip flopped and diesel became more expensive. needs to be flipped back. the public would buy more diesel powered vehicles if it was cheaper at the pump. the gov needs to learn a lesson from the Mexican gov. they mandate the price of fuel, so the **** oil companies can screw the public like they do here.
there needs to more bio in the fuel to make up for loss in sulfur. the **** we get at the pump is so dry now days it needs to be supplemented !
Rudolf diesel did not design the diesel to run on peanut oil. FACT. He did however do extensive testing showing it to be successful and one of his biggest public showings I believe in France was using the peanut oil because that's all he had available which is how this Urban myth started.

If you do any lubricity research you'll see a 2% biodiesel blend has the most superior lubricity of any additive. Even the Tdi guys use it for the other poster. After 2% the lubricity gains are minimal. Why would you suggest B50 or B100 as a better alternative if it doesn't increase lubricity? And it knowingly adds a whole host of cold weather problems...

I'm sorry but I hate misinformation with a passion and it's prevalent in all facets of life. If I'm wrong, I'll humbly crawl back into my cave and tip my cap.

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