Well, I've done some research and found that Stanadyne seems to be the one that most people recommend. I personally use Motorcraft Cetane Booster (red cap) in my 6.0L PSD motor which, I understand, is made by Stanadyne.
I have also found that Opti-Lube XPD Diesel Fuel Improver is supposed to be good (according to some "study test" around 6-7 years ago), however, I have never tried it myself and probably never will.
Unfortunately, ya cannot go by what you read on forums as you never know who the people recommending different products are (they could easily be the manufacturers themselves). Therefore, they're biased. And, you will always find "contradicting" info, too. Hope this helps!
Two independent studies rated Opti-Lube XPD as the best diesel fuel additive.
One of the best diesel injector cleaners available is Fleetguard's Asphaltene Conditioner. The cleaner is a premium fuel additive and is made by Cummins.
the best additive is a metabond product
There are many great elliptical machines on the market currently. The best overall elliptical machine is the Precor EFX 5.33.
There are many top rated diesel vehicles on the market. Bio-diesels have now established a market over their conventional counterparts, including hybrids. ConsumerReports.com is great place to make comparisons between the diesel classes of todays vehicles.
JP8 was invented to be compatible with diesel. You don't really need to put any additives in it, but if you insist I'd use something like Howes Meaner Power Cleaner.
The Store Claims To Have The Best Overall pRICES
Depends, what do you need the additive to do ?
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Canon is currently the best rated cameras on the market at this point.
Rotella 10W40 is probably the most popular. DELO probably has the best base oil but the additive package isn't as good as some. DELO is an acronym for diesel engine lubricating oil and was the first oil designed specifically for diesel engines. My personal favorite is Mobil Delvac.
About Four Gallons give or take. buy two to three gallons of coolant and mix with distilled water for a 50 50 mix for best results. also it is best to go by a ford dealer and buy 48oz of VC-8 cooling system additive for the diesel engine's. VC-8 is a SCA/DCA additive to prevent cylinder cavitation.