Mpg gain with biodiesel? - Ford Truck Enthusiasts Forums



Mpg gain with biodiesel?

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Old 07-10-2006, 09:15 PM
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Mpg gain with biodiesel?

I have a friend who has a 2002 chevy 2500hd crew cab duramax diesel 4x4 that gets 48 MPG running on biodiesel. Only downside is that he has to start and stop the engine with diesel. Are these incredible MPG gains possible with a 6.0 or 7.3 diesel?
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Old 07-10-2006, 09:27 PM
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I would really want him to double check his figures and get back to us. Never heard of that kind of gain.
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Old 07-10-2006, 09:38 PM
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and if he is running Bio desiel he doesn't have to start and stop it on regular desiel. What he probably means is that he gets 48mpg with when he does the math with just the #2 diesel he is buying, and not adding in the WVO he is putting through it.
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Old 07-10-2006, 09:43 PM
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He's probably using waste veggie oil (WVO) straight to the engine. I've heard that it gets some unbelievable MPGs.

Mike
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Old 07-10-2006, 11:09 PM
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Originally Posted by monsterbaby
and if he is running Bio desiel he doesn't have to start and stop it on regular desiel. What he probably means is that he gets 48mpg with when he does the math with just the #2 diesel he is buying, and not adding in the WVO he is putting through it.

Right on the money Rob! I get a consistant 2-3 mpg better but not that good!

FABMANDELUX.
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Old 07-21-2006, 06:36 PM
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Bio MPG

Running a 2005 Excursion PSD on Bio. Here is what I have so far. At 15k miles I started using Bio in small blends. I have no programmer mods, just a 4" exhaust. My freeway mpg at 75mph was 18mpg on #2 alone. Running B5 I got 19.5mpg at 75, and at B10 I got 20mpg at 75. Best mileage was on B20, got 21.5mpg at 75mph. Currently running 50% (B50) and it has dropped to 17.5mg at 75mph. I assume, and have read, that anyting over B20 decreases mpg for an assortment or reasons. That said, I find it very difficult to fathom 48mpg on SVO/WVO! Chemistry does not seem to support that figure but it would certainly be nice. Check with your friend and find out more specifics.
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