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Running biodiesel questions

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Old Jan 29, 2015 | 06:12 PM
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Running biodiesel questions

So I've found that B20 seems to make my truck happy, but I want to make sure that I have everything fully configured with the right parts to function well with B20 (or even B100). I've so far replaced some of the soft fuel line with gates Barricade fuel line (which is rated to take all fuels including B100). I need to do the fuel return lines also and am going to use gates Barricade line again for those. Now the question for me becomes, do I need to make any special considerations for the o-rings on the fuel return lines? I got the delphi kit off amazon.

At the same time, are there any other parts that need work/modification to be fully biodiesel compatible?
 
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Old Jan 29, 2015 | 09:15 PM
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Really, as long as the lubricity is good enough for the IP it should be fine. O-rings are iffy no matter what, but they probably will work /better/ on B100 than the ULSD we have now.
 
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Old Jan 30, 2015 | 12:56 AM
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Use Viton o-rings, not sure what the delphi kit comes with, but if its not viton, they tend to break down no matter what you're running. The viton ones I believe are safe for biodiesel, and have a higher heat rating as well.

The people in the alternative fuels forum may have some better answers for you as they play around with biodiesel all the time.
 
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Old Jan 30, 2015 | 01:50 AM
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Originally Posted by tecgod13
Use Viton o-rings.

What he said. Anything not Viton will eventually fail.
 
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Old Jan 30, 2015 | 09:01 AM
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Is there any good way to tell if a kit uses viton? (as in distinguishing traits of viton vs other materials)
 
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Old Jan 31, 2015 | 03:07 AM
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Originally Posted by ddeflyer
Is there any good way to tell if a kit uses viton? (as in distinguishing traits of viton vs other materials)

All my vitons seals were brown. But that's not a guarantee.
 
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Old Jan 31, 2015 | 08:13 AM
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To be safe, I ordered a bunch of viton o-rings from amazon. I figure that it is the best way to really be sure.
 
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Old Feb 7, 2015 | 10:35 AM
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When I got my viton O rings from McMaster Carr they came black. So no way to tell unless the package says so, unfortunately.
Good call on getting some from Amazon
 
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Old Feb 9, 2015 | 06:00 PM
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Likewise, my vittons from McMaster-Carr were black. Click on the "Forums" tab in the black bar at the top of the main page, go to "Bio-diesel, Propane and alternative diesel fuels" and post your question there. I am sure the gurus there will help you out.
 
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