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Yikes! Biodiesel question.

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Old Mar 11, 2018 | 10:17 AM
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Yikes! Biodiesel question.

Total rookie here, so be gentle with me.
I actually see rope nearby and a hook in the ceiling.😱
So I only have 280 miles on my truck, tank was about half full, and as I was approaching a station at a busy interesection, I saw a diesel price of $2.72. So I am thinking that’s a good price, and I’m soon taking a 200 mike round trip, so I stopped to fill up. Murphy Oil station. After I filled up, I saw a little blue sticker on the sticker saying biodiesel. Very queasy feeling. I drive home noticing no change. It’s really one of those I need to know, no I don’t want to know situations.
So I am in break in mode, where it says don’t add any additives or treatments. So I guess that rules out adding something to counteract the biodiesel.
So now my plan is to take the first half of the trip (100 miles) and add good diesel to dilute the biodiesel and do the same on the return trip. Lesson learned. I should have known, you get what you pay for.
And pay attention to stickers on pumps.
I am praying no damage has been done.
Thoughts?
 
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Old Mar 11, 2018 | 10:34 AM
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There is absolutely nothing wrong with biodiesel, in the right blend. Your manual will tell you B20 max (20% bio, 80% dino). Was the pump marked B anything? Most places, you would be hard pressed to find anything more than that, as most diesel vehicles specify no more than B20. Bio has slightly less energy content (BTUs) per gallon than dino diesel, might notice a slight drop in fuel mileage. Again, it is perfectly fine IN THE RIGHT BLEND. Blends higher than B5 will tend to cloud/gel at warmer temps than dino, but that's really the worst thing that could happen. People will tell you all kinds of horror stories of plugged fuel filters, etc, but it wasn't the bio itself that plugged the filter, it just has more solvent properties than dino & will clean ALL of the gunk & crap out of your fuel system, which at your mileage, you shouldn't have. When I used it in my Western Star over-the-road tractor, the inside of the aluminum fuel tanks would shine like a new penny.
 
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Old Mar 11, 2018 | 10:49 AM
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Bio-Diesel also has more lubricating properties. So if you use Bio you won't need an additive to increase Lubrication
I usually try and add a tank of when the opportunity presents. I don't have a lot of stations close to me that sell it.
So 5-6 times a year I fill up with Bio. Hopefully the increased solvent properties keep my fuel system clean.

They don't sell it around here during the winter months. It gels up too easily. So it's more of warm weather fuel;
 
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Old Mar 11, 2018 | 10:50 AM
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Originally Posted by Tom N OH
There is absolutely nothing wrong with biodiesel, in the right blend. Your manual will tell you B20 max (20% bio, 80% dino). Was the pump marked B anything? Most places, you would be hard pressed to find anything more than that, as most diesel vehicles specify no more than B20. Bio has slightly less energy content (BTUs) per gallon than dino diesel, might notice a slight drop in fuel mileage. Again, it is perfectly fine IN THE RIGHT BLEND. Blends higher than B5 will tend to cloud/gel at warmer temps than dino, but that's really the worst thing that could happen. People will tell you all kinds of horror stories of plugged fuel filters, etc, but it wasn't the bio itself that plugged the filter, it just has more solvent properties than dino & will clean ALL of the gunk & crap out of your fuel system, which at your mileage, you shouldn't have. When I used it in my Western Star over-the-road tractor, the inside of the aluminum fuel tanks would shine like a new penny.
biodesiel 5-10%
 
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Old Mar 11, 2018 | 10:57 AM
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Originally Posted by Larrymac52

biodesiel 5-10%
No problem at all. Don't worry, be happy.
 
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Old Mar 11, 2018 | 11:04 AM
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From: Texas
Bio-diesel blends can be anything >0% and <100% bio-diesel.
Normal around here (Texas) to have a small percentage.

Even if you got B100 (100% bio-diesel) at half full you're only using B50, A bit over the B20 recommended, but it's not going to hurt the engine or fuel system.

The worst thing is bio-diesel can hold more water so check your separator after you run through this tank if you want, but I wouldn't even worry about that.
 
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Old Mar 11, 2018 | 12:02 PM
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Your MPG will drop with Bio, but will clean out the system like new. My experience with B10 in my old truck is about 10% drop. YMWV

BioD has a slightly lower BTU than DinoD

https://www.afdc.energy.gov/fuels/fu...ison_chart.pdf
 
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Old Mar 11, 2018 | 12:56 PM
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Originally Posted by Tom N OH
No problem at all. Don't worry, be happy.
well there you go. This proves what a rookie I am as I thought I screwed up, but to a small degree, it might be a good thing to do occasionally. Lucky me. Still I will pay attention to what kind of diesel goes in my truck from now on. Also watch as I’m sure there will equally naive questions coming soon. And thanks for getting me off the ledge.
 
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Old Mar 12, 2018 | 03:15 PM
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Biodiesel blends help counteract the low lubricity of low sulfur fuels and also tend to have a bit higher cetane rating than normal fuel. Burns cleaner too!
 
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