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Biodiesel in normal truck

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Old May 26, 2010 | 11:08 AM
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Biodiesel in normal truck

Good Morning
Back for more expertise. Can a normal truck use biodiesel with out modifications? I saw some biodiesel that was about $1.00 cheaper and was really wanting to try some.
I did do a search but did not come up with a thread
Thanks again guys
Pam
 
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Old May 26, 2010 | 11:16 AM
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Yes you can. I have run thousands of gallons through mine with no mods. I would suggest not to run B100 during the winter if you live in a cold area
 
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Old May 26, 2010 | 11:30 AM
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That's interesting. I think I read somewhere that Ford didn't recommend more than 20% but I don't remember if they were referring ti veggie oil or bio-diesel.


Anyone got the real skinny?
 
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Old May 26, 2010 | 11:46 AM
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I too have ran a few thousand of gallons of b100 and b20 with no modifications. I don't know why ford hasn't OK'ed BIO other than CYA.
 
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Old May 26, 2010 | 12:00 PM
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Originally Posted by jtybt
That's interesting. I think I read somewhere that Ford didn't recommend more than 20% but I don't remember if they were referring ti veggie oil or bio-diesel.


Anyone got the real skinny?
I thought it was 5%?

AFAIK it is because they cannot control the bio part as to how it was made. Was it made properly in a commercial setting or was it from the back side of Billy Bob's Bar and Grill and Biodiesel?
 
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Old May 26, 2010 | 12:02 PM
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B100 is a pretty strong cleaning agent and if starting with a somewhat dirty fuel system the Bio will move things along and rapidly clog the fuel filter. I suppose in worse-case, it could move some crud that may have collected in the fuel rails on to the injectors and cause problems there.

B100 is also real hard on the Buna-N o-rings that Ford has scattered throughout the fuel and oil systems but then the additives that they use in ULSD are too.
 
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Old May 26, 2010 | 12:03 PM
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Originally Posted by clem1226
I too have ran a few thousand of gallons of b100 and b20 with no modifications. I don't know why ford hasn't OK'ed BIO other than CYA.
Me too. A few years now running B100 and B20 in my truck without fuel system mods or problems. We can't get B100 at pumps any more in So.Cal because some bureaucrat thinks it is a hazardous material (more so than any other fuel) and it's now prohibited by law for commercial dispensers.

Runs great. Cleans out the system. In fact it can clog the first filter in systems that are too dirty.

Don't use B100 in cold weather.
 
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Old May 26, 2010 | 12:03 PM
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You will also want to have a fuel filter around. I dont remember the whole thread, but running Bio will clean your tank and lines, and we all know where that goes..
 
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Old May 26, 2010 | 12:13 PM
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Originally Posted by aklim
I thought it was 5%?

AFAIK it is because they cannot control the bio part as to how it was made. Was it made properly in a commercial setting or was it from the back side of Billy Bob's Bar and Grill and Biodiesel?

I've fixed plenty of damaged injection pumps because of that guy.
 
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Old May 26, 2010 | 02:32 PM
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Originally Posted by DieselOrings
B100 is a pretty strong cleaning agent and if starting with a somewhat dirty fuel system the Bio will move things along and rapidly clog the fuel filter. I suppose in worse-case, it could move some crud that may have collected in the fuel rails on to the injectors and cause problems there.

B100 is also real hard on the Buna-N o-rings that Ford has scattered throughout the fuel and oil systems but then the additives that they use in ULSD are too.
Do you know which of these o-rings are Buna-N? And if so, do you carry the Viton replacements?

This is good to know as I was under the impression the entire fuel system had Viton seals. Thanks for bringing this up.
 
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Old May 26, 2010 | 04:14 PM
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They are all Buna-N except for the compression sleeves on the hard lines to the fuel bowl and fuel rail connections. Ford has tried to protect the Buna-N from the effects of fuel by coating some of them with a PTFE Teflon coating but if you ever remove your fuel drain, you will see that the new additives in ULSD have no problem removing that and exposing the Buna-N to the fuel.

The compression sleeves are specialty compression sleeves made by Parker-Hannifin which calls them 'Viton' but with how these sleeves react to ULSD and age, they do not appear to be pure Viton but a blend with something else.

The only thing I sell for the fuel and oil systems are DuPont Viton o-rings along with one special ordered fluorosilicone o-ring set for the drain valve.
 
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Old May 27, 2010 | 07:28 AM
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Thanks for all the info

Thanks for the great discussion. It appears that I probably should not try it unless I am ready to fix alot of things. I was trying to save a few dollars not spend more than I save on repairs. My truck is a 2001 with 90K miles so I might have to change the fuel filter and o rings several times. Does not appear to be cost effective. I was just going to mix with regular fuel. I carry 85 gallons and do not want that much fuel that might mess up the truck
Thanks again for all the great discussion
Pam
 
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Old May 27, 2010 | 08:13 AM
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These guys here are full of info, dont ever be affraid to ask.. someone here will have an answer.. Good Luck!
 
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Old May 27, 2010 | 08:20 AM
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Originally Posted by spatengal
I saw some biodiesel that was about $1.00 cheaper
Wait...you found biodiesel from a commercial source for $1 per gallon cheaper than ULSD?

If that's true I would certainly risk a new fuel filter. You are probably over due changing the one that's in there now anyway
 
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Old May 27, 2010 | 08:53 AM
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Originally Posted by DieselOrings
B100 is a pretty strong cleaning agent and if starting with a somewhat dirty fuel system the Bio will move things along and rapidly clog the fuel filter. I suppose in worse-case, it could move some crud that may have collected in the fuel rails on to the injectors and cause problems there.

B100 is also real hard on the Buna-N o-rings that Ford has scattered throughout the fuel and oil systems but then the additives that they use in ULSD are too.
I did not have to change a fuel filter after running B100 the first time.
 
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