dhe9

anyone running biowillie? owners manual states we can run a blend of B5 and wondering how your truck runs.

thanks,

david
socal

__________________
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updated august 17, 2010

msilbernagel

Not running biowillie, but here in Portland OR I stopped by a Sequential BioFuels outlet and put 20 gals of B99 in my Sub (holds 40). It had about 1/4 tank, so I'm guessing it's about 67% bio just now.

Boy, is it QUIET! It's an 04.5/CP3, and I'm thinking that the CP3 usually makes a lot of the noise I hear from the engine compartment, because now I hear this distant rattle from the cylinders, and that's all.

Runs great, and smells... un-diesel like, but not bad!

Mark
-

__________________
'93 GMC K2500 Sub - 04.5 ISBe 5.9L Cummins - NV5600 - 4.10

infidel

Running over B50 in a common rail is asking for trouble. The BD undergoes physical changes due to the high temps and pressures. Return fuel to the tank will plug up your filter rapidly on the next time though. Our '05 only went 800 miles on B99 before this happened.
This isn't BD cleaning out the fuel system but due to changes in the BD itself.
It also depends on which type of oil crop the BD is made from with soy being the worst.
Since it's impossible to know what the BD is made from best be careful and keep it under 50%.

__________________
Bill
'95 2500 4x4 auto
'95 3500 5 speed flatbed hauler
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ckennedy

Infidel

May I ask where you got the info - any first hand happenings ?? "and then researched to find this out"

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infidel

ck, I've worked in BD research for about ten years, personal experience plus keeping up with what's going on.
Here's one short item that explains the common rail BD problem (polymerization)
http://www.boulderbiodiesel.com/foru...m=1&thread=632

You'll also find tons of articles on it here
http://www.google.com/search?sourcei...on+common+rail

ckennedy

hmmm

It must be a biodiesel thing - I know more one individual who has a 3rd gen cummins HPCR running WVO (not biodiesel). One I know has close 10,000 miles on his 2004 dodge with ZERO problems. Changed out fuel filter at 6 - 7,000 miles and not because it was done for!

I have even talked to the Diesel Guys at Cummins and they "he" knows I am running WVO.. Did not have a bad thing to say about it (offline)..

infidel

I think you'll have to admit that 10k isn't very long at all. When we were into full on BD testing we had a bank of 22 diesel engines running 24/7 for months before problems began to show in certain situations. Even if we found problems that developed over the equivalent of 100k we deemed it unacceptable.

Degree of polymerization depends a lot on the type of oil used, your friend may be lucky to be getting "agreeable" oils.

bamalam

According to the web site, biowillie is exclusively B20. I haven't tried it it yet because the closest station is up by Austin...a 70 mile trip. Seems like a long way to go just to fill up. I am hoping that it makes it's way down here though.

ckennedy

Infidel

Where do you work?? You must have heard of Southwest Research Instute in San Antonio..

Man - I hope this is a BD issue and not WVO.. wonder if it makes a diff when you heat it up to 160 - 180 degrees before the injection pump system..