Diesel Fuel Gel test - Pwr Srvc, Howe's, Schaeffer - Page 2 - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #11 of 61 (permalink) Old 03-06-2010, 02:41 AM
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Re: Diesel Fuel Gel test - Pwr Srvc, Howe's, Schaeffer

awesome apparently #1 is chemically balanced not to gel until lower temps.

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Sh*t in a box (litterally) and write "Will give you 200+ hp, just add to your fuel" on the box and give it to him. Then ask him if he still believe's everything thats written on a box...
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if you can blow up a 7.3 just imagaine what you would do to a 6.0
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post #12 of 61 (permalink) Old 03-08-2010, 04:38 PM Thread Starter
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Re: Diesel Fuel Gel test - Pwr Srvc, Howe's, Schaeffer

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awesome apparently #1 is chemically balanced not to gel until lower temps.
Correct, #1 Diesel has a gel point closer to -35F to -40F. The negative aspects are that #1 drops the Miles Per Gallon about 1-2 mpg on average. In addition, #1 does not have the same lubricity as #2. Most folks up here will run a 50/50 mix of the two. Last year (here locally) #1 was .40 cents per gallon more that #2, so the cost per fill up went up quite a bit. That is where some additives can come in to play, if the additive will only cost a few cents per gallon and can effectively drop the gell point than you can save approx. .35 cents per gallon. This year (here locally) the price difference between #1 and #2 was only about .15 cents - so it wasn't as huge of a cost savings as last year.

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post #13 of 61 (permalink) Old 03-08-2010, 04:58 PM Thread Starter
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Re: Diesel Fuel Gel test - Pwr Srvc, Howe's, Schaeffer

Here are some additional pics on the water contamination test I mentioned I wanted to add to this post. Sorry it took so long for me to get this posted.

Many folks initially jump to gelling as being the problem during cold temps, but water contamination can cause problems much quicker than gelling. The water in these samples froze at the bottom of the containers within one hour.

Again, not a very scientific study or analysis - just a good visualization so we can get a better understanding of what might be going on inside the tank and/or engine.

According to the Standard, Diesel fuel can contain up to 100 ppm water. Most suppliers try to keep this under 50 ppm especially during the winter.

This is a #1 Diesel Sample with 2cc's of water added. The pic is a little fuzzy, but you can see the water droplets at the bottom of the sample.



This is a #2 diesel sample with 2 cc's of water added.



Here is a photo of both contaminated samples with Schaeffer's Winterized Dieseltreat additive that contains a water dispersent. It does seem that the additive was a bit more effective in the #1 diesel than in the #2 to the naked eye.



I'll add more info later. ran out of time for now.

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post #14 of 61 (permalink) Old 03-08-2010, 09:30 PM Thread Starter
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Re: Diesel Fuel Gel test - Pwr Srvc, Howe's, Schaeffer

here is a better close up pick of the contaminated samples with the 137ULSW additive.


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post #15 of 61 (permalink) Old 03-08-2010, 10:21 PM Thread Starter
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Re: Diesel Fuel Gel test - Pwr Srvc, Howe's, Schaeffer

Correction: I said the limit for water in Diesel was 100 ppm, that is not correct. It is higher than that. I need to find out what the ASTM standard is.

edit: from what I have found the allowable level is .05% which should equate to 500 ppm.

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post #16 of 61 (permalink) Old 03-09-2010, 01:06 PM
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Re: Diesel Fuel Gel test - Pwr Srvc, Howe's, Schaeffer

awesome info! btw nice house.

05 f350 CCLB 4x4 delete and sct x4 thanks to innovative


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Quote:
Originally Posted by RedSmokey View Post
Sh*t in a box (litterally) and write "Will give you 200+ hp, just add to your fuel" on the box and give it to him. Then ask him if he still believe's everything thats written on a box...
Quote:
Originally Posted by bruce51d View Post
if you can blow up a 7.3 just imagaine what you would do to a 6.0
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post #17 of 61 (permalink) Old 03-10-2010, 02:59 AM
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Re: Diesel Fuel Gel test - Pwr Srvc, Howe's, Schaeffer

I made this a sticky in this section since there is some very good information in here. I also left the thread open so that others can add to this discussion or Rich can add information. Thanks Rick.


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post #18 of 61 (permalink) Old 03-11-2010, 07:38 PM
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Re: Diesel Fuel Gel test - Pwr Srvc, Howe's, Schaeffer

wow i guess i was lucky to get through the winter on straight no 2.i even had some oil mixed with it a few times and im sure that dont help.


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post #19 of 61 (permalink) Old 10-27-2010, 03:52 AM
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Re: Diesel Fuel Gel test - Pwr Srvc, Howe's, Schaeffer

my 1st year with a diesel....What is the temp that you have to worry about the fuel gelling? I am in the KCMO area and it is still in the 40s at night.
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post #20 of 61 (permalink) Old 11-08-2010, 05:08 AM
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Re: Diesel Fuel Gel test - Pwr Srvc, Howe's, Schaeffer

no one has said this. BUT good god its cold where you live.
I do belive my blood would freeze their

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