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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.

View Poll Results: Would you donate to help with testing costs?
Yes 3 30.00%
No 5 50.00%
Depends on the results 2 20.00%
Multiple Choice Poll. Voters: 10. You may not vote on this poll

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Old March 28th, 2012, 18:54   #1
slamhouse
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Default Diesel Fuel test from different stations

Im debating whether to test fuels from several different fuel stations like Arco, Shell, 76, Exxon, Some truck stop, Safeway, and others to see what kind of qaulity their diesel fuel is.

The testing results will include the following:
Flash Point
Water and Sediment
Kinematic Viscosity
Sulfur
Cetane Index
API Gravity
Distillation
Thermal Stability
Bacteria, Fungi, Mold
ICP

The laboratory that will be doing the testing is Polaris Laboratories.
http://www.polarislabs.com/fuel-analysis.php

With a gasoline contamination result as well.

i dont know pricing yet but just curious if any of you might consider donating a few dollars to help out with the costs.
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Old March 28th, 2012, 19:09   #2
worldwide73
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The main problem would be that diesel fuel can vary from state to state, so they would only be valid for your area. Station to station would be different as well due to age and condition of tanks etc.
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Old March 28th, 2012, 19:11   #3
slamhouse
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Well, if people dont think that this would be somewhat conclusive of the stations fuel qaulity then i may just abort the idea while its young.

if you get poor qaulity fuel from a high end provider(shell) then you know how well they either maintain their tanks or select the fuel that goes in them.

it might give some insight to the hpfp failures as well...
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Old March 28th, 2012, 19:33   #4
Ski in NC
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I would be more interested in the wear scar (hfrr) test, which is a separate and likely more expensive test.
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Old March 28th, 2012, 22:11   #5
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Quote:
Originally Posted by Ski in NC View Post
I would be more interested in the wear scar (hfrr) test, which is a separate and likely more expensive test.
I concur. Lubricity would be my biggest concern too.

Have Fun!

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Old March 29th, 2012, 01:37   #6
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Quote:
Originally Posted by worldwide73 View Post
The main problem would be that diesel fuel can vary from state to state, so they would only be valid for your area. Station to station would be different as well due to age and condition of tanks etc.
I agree.

The proposed effort is commendable, slamhouse. And, the results would definitely be interesting to see. But, having said that, I would not see a connection to the quality of fuel available in my area and stations.

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Old March 29th, 2012, 06:13   #7
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Great idea, Slamhouse, but sadly, there are way too many variables. I don't think the analysis can account for the changes in fuel that can occur between the fuel distribution point (the terminal of the pipeline) and the end user (fuel station).
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Old March 29th, 2012, 07:03   #8
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x3 on including lubricity. Nothing is more important than this attribute.
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Old March 29th, 2012, 09:25   #9
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No value. You're better off picking a retailer based on bathroom cleanliness, quality of coffee, and availability of paper towels and clean windshield wash.

Contamination and lubricity are all over the map. I don't buy the "premium" brand BS. Pure marketing. Your best defense is making sure the hose is connected to the pump labeled DIESEL.


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Old March 29th, 2012, 11:35   #10
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Seems like nobody likes the idea, so ill let it lie... i may just test a station or two for my own records so i know whats going into my rank. But i wont spend my money on something nobody wants
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Old April 1st, 2012, 18:29   #11
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There is going to be no dramatic
change in lubricity but I would really like to see if anyone is making an attempt at meeting the astm spec.
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Old April 1st, 2012, 18:42   #12
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It would be interesting but wuthout any financial support, i cant do the tests...
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Old April 1st, 2012, 19:13   #13
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Quote:
Originally Posted by slamhouse View Post
It would be interesting but wuthout any financial support, i cant do the tests...
Testing your fuel only benifits you for that particular batch of fuel. Unless you are going to have your own 500 to 1000 gallon fuel tank to refuel your vehicle,fuel test are a waste of $. The only need to test fuel would be if you were to have a hpfp failure. In that case its better to call in the state regulatory agency for fuel testing.

Below is a typical fuel analysis by a state agency. Pretty extensive analysis.
------------------------------------------------------------------
Certificate of Analysis

Page 1 of 1
Vessel / Shore Tank :
Product :
Client Reference :
Terminal / Port / Office :
Job ID :
Sample Details :
Comments :
IAC
IAC
Analysis performed by alternative IAC laboratory.

For Inspectorate:
Operations Supervisor
ASTM D4530 Carbon Residue, 10% Btm , % (m/m) <0.1 0.35 Max.
ASTM D130 Copper Corrosion at 50°C (122°F) for 3h 1a 3 Max.
ASTM D6371 Cold Filter Plugging Point , ° C / ° F -11 / 12 Report
Sample Temperature , ° C 23
Vortex Observance No P and W No Pand W
Visual Observance C and B C and B
ASTM D4176 Proc. 1 Pass / Fail Pass Pass
ASTM D482 Ash Content , mass % <0.001 0.01 Max.
ASTM D4737 Proc. A Calculated Cetane Index 44.9 40.0 Min.
ASTM D976 Calculated Cetane Index 45.4 40.0 Min.
Endpoint , ° F 677.8
90% Recovered , ° F 636.4 539.6 - 640.4
50% Recovered , ° F 524.1
10% Recovered , ° F 428.7
ASTM D86 Initial Boiling Point , ° F 327.0
ASTM D6079 Lubricity, Wear Scar Diameter , um 180 520 Max.
ASTM D93 Proc. A Flash Point , ° C <40 52.0 Min.
ASTM D7039 Sulfur Content , ppm (mg/kg) 7.5 15 Max.
ASTM D2709 Water and Sediment , % (v/v) 0.005 0.05 Max.
ASTM D6304 Proc. A Water Content , ppm (mg/kg) 109 Report
Specification
ASTM D7371 Biodiesel , vol % 4.17 Report
Sample Number
Method
Test
AF02232012-1

2012-028-00054-027
Result
Product does not meet specification for Flash Point.
Sample Submitted By :
Analysis Performed By :
Date Sampled :
Date Reported :
Submission ID :


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