Biodiesel question - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 18 (permalink) Old 02-03-2008, 03:07 PM Thread Starter
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Biodiesel question

What is the max ratio of bio that a 7.3 can use? I have the oppertunity to buy b100 @ a savings of about .30 cents per gallon over dinodiesel I have used b20 a few times before and thought my mileage was down a few 10's. I will wait for warmer weather before I do this,just checking before hand.What are the pros & cons of this idea?

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post #2 of 18 (permalink) Old 02-03-2008, 03:07 PM
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Re: Biodiesel question

You can do B100 in the 7.3. I used to make mine about 2 yrs ago. Just after a couple tanks change your filter..

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post #3 of 18 (permalink) Old 02-03-2008, 07:09 PM
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Re: Biodiesel question

The 7.3 runs B100 just fine.

Have a couple or three spare fuel filters and your favorite filter wrench handy. A tankful of B100 will remove all sorts of gunk from your fuel tank and system and deposit all of it in the fuel filter real quick. Your fuel gauge might work again.

B100 has a heating value of 120,000 BTU/gal while regular No.2 has 140,000 BTU/gal. that is only 85% of the heating value of the dino-diesel, so just 10% off is not a good deal for regualr use.

But it is worthwhile to clean out the fuel system once a year or so. It will run about like running on straight kerosene - very smooth and the exhaust won't stink as much, but you will use more fuel per mile.

BTW, use this stuff in warm weather. B100 clouds at 35 degree above zero.

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post #4 of 18 (permalink) Old 02-03-2008, 08:13 PM
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Re: Biodiesel question

Dave,
What do you have for fuel lines? I have heard that Bio can eat up fuel lines if they are not bio rated.

Dave

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post #5 of 18 (permalink) Old 02-03-2008, 08:17 PM Thread Starter
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Re: Biodiesel question

good info Dave,my fuel gauge has been acting up lately so when it warms up I'll give it a try. What percentage less should I be paying to equal the value of reg. diesel? on edit: next time I will pay better attn. to your reply. 15% less is the answer I see.

99.5 F-350 SRW 6 speed mods:PHP live tuned., MSD propane system, snow water injection,DDP stage 1 injectors,AFE stage II air intake,ITP boost regulater,3.5 turbo back exaust,FASS fuel system. Gulf Coast oil bypass filtration, ITP reg. return, HPX oil line , GTP 38r with 1.15,EBPV delete. 430,000 miles,Adrenaline HPOP

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post #6 of 18 (permalink) Old 02-03-2008, 08:29 PM
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Re: Biodiesel question

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Originally Posted by wooner View Post
Dave,
What do you have for fuel lines? I have heard that Bio can eat up fuel lines if they are not bio rated.
Stock fuel lines can handle bio diesel. What you heard is now considered today to be an old wives tale. However, back in the 80's running bio would destroy seals and o-rings. Todays trucks use parts that can withstand bio.

Curtis
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post #7 of 18 (permalink) Old 02-03-2008, 08:54 PM
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Re: Biodiesel question

Bio will do a number on the orings behind the fuel bowl, if you haven't had to change them out already.

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post #8 of 18 (permalink) Old 02-04-2008, 03:05 PM
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Re: Biodiesel question

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Originally Posted by Redfishman17 View Post
Bio will do a number on the orings behind the fuel bowl, if you haven't had to change them out already.
Actually it's the ULSD that will take out those o-rings. The reduced aromatics in ULSD causes the o-rings to shrink and leak. Bio diesel doesn't do that. Compare how many people lost drain valve o-rings due to ULSD vs bio-diesel useage. The odds are highly favored on the ULSD side

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post #9 of 18 (permalink) Old 02-04-2008, 08:58 PM
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Re: Biodiesel question

I run B99 in both of my 7.3's every time possible. They run smoother, and Ive never had an issue.

-Shawn Collister #16

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post #10 of 18 (permalink) Old 02-05-2008, 07:56 PM
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Re: Biodiesel question

So I pulled into a BP the other day and it said Biodiesel on the pump. What kind of fuel is that? It was the only diesel they had. I didn't put it in, i wasn't sure if it would hurt our motors.

Brian
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