Fuels & Lubricants Discussion all about Fuels & Lubricants. synthetic oil, conventional oil, brands, change intervals, diesel grades, gelling and such debated items like that. Non TDI related postings will be moved or removed. This forum is NOT for the discussion of biodiesel and other alternative fuels. |
February 7th, 2019, 13:39
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#1
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Newbie
Join Date: Dec 2017
Location: Bear, DE
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Diesel-Mate - All Seasons by Certified Labs
Curious if anyone has tried this fuel additive (or others) and seen any real improvement. The Certified Labs sales guy is trying to get our company to use it for our fleet of tractor trailers and gave me enough to treat 250 gallons. Going to give it a shot - nothing to lose except potentially clogging my fuel filter. I've been tracking my mileage for a year now, so have a good baseline.
They claim up to 7.5% increase in fuel mileage and 15% cetane increase.
http://diesel-mate.com/additive-pack...tion-data.html
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February 9th, 2019, 03:44
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#2
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Veteran Member
Join Date: Oct 2003
Location: Annapolis, MD & The Berkshires, MA
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I use PS white, but not for FE. Lots of good threads to read if you really want to get into it. I suspect you will not likely see a 7.5% FE increase from the effect the additive alone.
http://forums.tdiclub.com/showthread...ight=additives
http://forums.tdiclub.com/showthread...ight=additives
http://forums.tdiclub.com/showthread...ight=additives
__________________
Now: 03 Golf GLS TDI 5SPD & (hers) 03 Jetta GLS TDI 5SPD & 2015 GSW TDI 6M
Then: 99 Jetta GLS TDI, 94 Golf GL, 85 Golf GL, 85 Golf, 79 Rabbit C, 68 Beetle, 65 Beetle
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February 9th, 2019, 04:58
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#3
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Veteran Member
Join Date: Nov 2013
Location: Lawrenceville PA
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Likely you won’t see an increase, but since you’ve been given the additive anyway it’s certainly worth a try. Cold in my opinion is the biggest mileage killer. The engine takes longer to reach operating temperature and because of that is less efficient.
Keep this thread updated with your results, the salesman at least seems to have confidence in it if he’s giving it away.
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February 9th, 2019, 19:48
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#4
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Veteran Member
Join Date: Oct 2003
Location: Annapolis, MD & The Berkshires, MA
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Just note that the product linked is a demulsifier, so it's good to read up on how additives handle water in the fuel, and which camp you fall in for treatment.
http://forums.tdiclub.com/showthread...er#post3686717
http://forums.tdiclub.com/showthread...er#post5054560
__________________
Now: 03 Golf GLS TDI 5SPD & (hers) 03 Jetta GLS TDI 5SPD & 2015 GSW TDI 6M
Then: 99 Jetta GLS TDI, 94 Golf GL, 85 Golf GL, 85 Golf, 79 Rabbit C, 68 Beetle, 65 Beetle
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February 10th, 2019, 09:52
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#5
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Veteran Member
Join Date: Apr 2005
Location: West Hill, Ont. Mexico mid October 2018 to end of April 2019
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Snake oil!
Just like the official Mpg posted on cars at the dealer.
Those figures are obtained in a closed environment, air conditioned, no head wind etc. Also only the powered wheels are on a dynometer at no more than 50 Mph!
You can put anything on paper!
__________________
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