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Old 12-10-2009, 08:53 PM   #15
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The results are in...

Here's a link to a blind test that was done on diesel fuel additives. It's kind of interesting the soy biodiesel topped the list for improved lubricity while other products actually decreased it. Be careful what you put in your fuel.
http://www.johnfjensen.com/Diesel_fu...itive_test.pdf
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Old 12-10-2009, 09:20 PM   #16
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'blinded' i'm not sure about.

and THAT trial/report was SPONSORED by the company who makes the product that finished 2,3, and 5th, as i remember.

as i recall, it first appeared about a MONTH before they released those products for sale ONLINE only.

there was a lot of hubbub on that particular forum all around this time and this specific 'study'...

un published, no peer review, not repeated and so on...

as always ymmv, vwp, and don't run with scissors!

cheers
2air'
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Old 12-10-2009, 09:59 PM   #17
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More testing...

Here is another link to a recent test done by Diesel Power magazine. They must be on the Opti-lube payroll too...

Fuel Additive Test - Ultra-Low Sulfur Diesel - Diesel Power Magazine
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Old 12-10-2009, 10:23 PM   #18
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no mongo, it looks like the 'fppf chemical company' this time, also a maker of fuel additives used IN the report.

also notice the results are NOT even quoted for the SAME parameters (no additive vs ALL the others)

also note the driveline is MODIFIED significantly.

so what was the EFFECT of each additive? cetane boost or what?

unless the additive has a long term effect they should have gone BACK to 'fuel only' between each additive and seen a DROP in mpg.

they didn't do that.

reports for each additive are "BEST TANK" not an average over many tanks...

while fuel only are reported as averages...

so what was the WORST tank with each additive?

again these are numbers without value (no CI or standard deviation, or other statistical data offered)

reading these things is of entertainment value only.

got more?

cheers
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Old 12-11-2009, 08:36 PM   #19
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Well, 2air, I'm fresh out of tests, but maybe you can help me understand something. What made you decide to use Stanadyne, and can you provide the logic behind your decision. I am also interested in what Stanadyne you use... Lubricity, Performance or...?
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Old 12-11-2009, 09:46 PM   #20
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4 very personalized reasons...

1. charles ledger (the ford master mechanic who runs the yahoo Powerstoke group) told me too...

2. the company that make it ISN't primarily a fuel additive maker (they make fuel injectors)

3. it's the only additive approved by ALL the diesel engine makers (at that time)...

(( and there is an OLD paper on it and all the common additives up to that date which demonstrated the benefits))

4. i did a VERY detailed experiment with the stuff, over 4000 miles in my truck. with it/without it and so on several times, over about 12 tanks of fuel (without additive in between tanks with...)

it CLEARLY increased mpg (lsd fuel) enough to OFF SET the cost factor in MY truck and towing, provided fuel remains 2.50 or more per gallon, so at the 3-4 $ level it really helped with fuel costs.

that data may NOT apply to anyone else or ANY other truck on the planet.

5. i use the performance formula and buy 64 oz jugs 6 at a time (after the trial phase) from a local shop that will match or better ANY online vendor price.

so for ME it's cuts fuel COSTS a small, but measurable amount. towing 15-20k miles yearly means i'll take any savings i can find.

i also did a long trial with biod. the truck smelled better, but it didn't alter the mpg and the extra fuel filters actually INCREASED my cost factor.

cheers
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Old 12-11-2009, 11:47 PM   #21
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Lucas fuel treatment is excellent for any vehicle. I have a Ford dealer who buys the quart bottles to use in diesel trucks with contaminated fuel.

Yesterday I bought a gallon container to refill the 5.25 ounce bottles I keep around. 1 bottle per tankfull does wonders for gas mileage on my S10 truck.
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Old 12-12-2009, 07:07 AM   #22
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2air: Would your test be applicable to 2007 6.7 C TD & later models.Mel
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Old 12-16-2009, 02:57 PM   #23
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Summary

Stanadyne - seems to be the product most highly suggested.

Lubricity improver - seems to be the major reason for usage
A cetane number improver - seems to be the minor reason


The additive package may contain:
A detergent/dispersant
Lubricity improver
One or more stabilizing additives
A cetane number improver
A low-temperature operability additive (flow improver or pour point reducer)
A conductivity additive
A biocide
A corrosion inhibitor
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Old 12-16-2009, 05:36 PM   #24
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My question is? Would Stanadyne be effective for 2007 & later year models which have the complex emission control packages. Mel
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Old 12-16-2009, 05:43 PM   #25
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Woppa, I'm fairly certain it will be fine.

I just ordered me a case of the stuff. Hope it is effective.
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Old 12-16-2009, 07:05 PM   #26
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Thanks Airstreamo1 : I also will be placing an order after this post.Mel
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Old 12-16-2009, 07:09 PM   #27
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I got mine from Midwest Fuel Injection. $60 plus shipping for a case (12) of the 16oz bottles. Each bottle treats 60gal, so I get two tanks per bottle.
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Old 12-16-2009, 09:36 PM   #28
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mel/woppa4...

i interpreted your question in the post following mine as a rhetorical joke since THIS is clearly my view...

Quote:
Originally Posted by 2air' View Post
...that data may NOT apply to anyone else or ANY other truck on the planet...
so no, my mpg data from a 6.0 navistar doesn't apply to a 5.7? cummins.

NOW if the question is "is it safe to use in ANY diesel (including 2007 on) ?"

i'd suggest YES based on the makers info.

i have NO IDEA if it improves lubricity of fuel and i'm not sure how ANY of us can determine that...

but MPG is easy to measure by even the dimmest wits here...

in my truck mpg increases 0.7 to 1.8 mpg...

the lower end is towing fast and the higher end NOT towing and at 65 mph...

my truck is used 95% for towing and at ~70 mph.
____________

at even .5 mpg gain that is ~ the equivalent EXTRA 1.8 gallons of fuel.

so IF fuel is 2.50$ per gallon, the additive pays for itself + a little...

at 1 mpg gain, that is 3+ extra gallons of fuel...
____________

so run a tank WITH then one without and repeat that a few times.

IF it does ANYTHING else (besides bump mpg a bit) it's all bonus!

cheers
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