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-   -   Gasoline in a diesel engine = best mileage ever? (http://www.ford-trucks.com/forums/1306540-gasoline-in-a-diesel-engine-best-mileage-ever.html)

parkland 03-30-2014 01:35 PM

Gasoline in a diesel engine = best mileage ever?
 
Gas-powered diesel engine may double fuel efficiency - SmartPlanet

There are a lot of articles saying that a diesel engine running on gasoline is the next best thing since sliced bread.

Obviously, they must be using different fuel pumps than the stock diesel setup, because we all know that gasoline can grenade fuel pumps on a diesel.

That being said, what if we mixed gasoline with a bunch of 2 stroke oil, or engine oil, or fuel additive to get the gasoline to the same lubricity as diesel oil?

Anyone ever tried it?

The results look promising enough to want to know the answer.

parkland 03-30-2014 02:34 PM

Engineer builds diesel-gas hybrid engine - Technology & Science - CBC News

Biodiesel Magazine - The Latest News and Data About Biodiesel Production


Sooooo.... put a carberator on an old diesel junk, and test it out? lol..

joshofalltrades 04-05-2014 11:49 PM

well, we know that diesel contains more energy per gallon than gasoline, so i don't see this being more efficient.

as for putting a carb on top of a diesel, well how do you feel about blowing up your engine - the heat of compression would ignite the fuel mix way too early and have nasty detonation effects on the engine.

doesn't look like one i would want to try unless my goal was experimenting on something that was about to be sent to the crusher anyway

parkland 04-06-2014 10:11 PM

Quote:

Originally Posted by joshofalltrades (Post 14235890)
well, we know that diesel contains more energy per gallon than gasoline, so i don't see this being more efficient.

Diesel also costs more than gasoline now, and requires a more expensive heavy engine to do the same work.

All jokes aside, the article seems interesting.

Misky6.0 04-11-2014 06:15 PM

Quote:

Originally Posted by parkland (Post 14238462)

Diesel also costs more than gasoline now

True, but it's only 10% more this week. Gas $3.65 vs. Diesel $4.01 happy dance

Sent from my Sprint PC36100 using IB AutoGroup

parkland 04-11-2014 06:27 PM

Quote:

Originally Posted by Misky6.0 (Post 14253190)
True, but it's only 10% more this week. Gas $3.65 vs. Diesel $4.01 happy dance

Sent from my Sprint PC36100 using IB AutoGroup

Granted the ecoboost is only available in the f150 now, but if they make say a 500 hp 5.0 ecoboost for the superduty, IF, there might not be much reason to buy a diesel truck.

MPG is nice, but crap it would be nice if diesel went back to being cheaper than gas for F*** sakes already.

With soaring diesel prices, and the diesel option costing so much more, along with modern engine reliability issues, who knows.... all I know is I'm interested in hearing promising leads on alternatives haha.

speedwrench72 04-27-2014 01:09 AM

Diesel Rug blends have been done when using WMO to make it start easyer, I have ran 60% virgin motor oil Diesel blends with no problems is stock fuel system in 91 Idi, your 6.o should have plastic fuel lines, so should be ok to run BIO, ford says no more than 10%....throw that truck away and get a Idi, when diesel gets more expensive just burn suntan lotion.:-X06

parkland 04-27-2014 07:29 PM

Quote:

Originally Posted by speedwrench72 (Post 14296053)
Diesel Rug blends have been done when using WMO to make it start easyer, I have ran 60% virgin motor oil Diesel blends with no problems is stock fuel system in 91 Idi, your 6.o should have plastic fuel lines, so should be ok to run BIO, ford says no more than 10%....throw that truck away and get a Idi, when diesel gets more expensive just burn suntan lotion.:-X06

Even brand new engine oil is going to be less than diesel very soon if not already. Think that will be enough lube for the HPFP? :-X04

flainn 04-29-2014 11:15 AM

Quote:

Originally Posted by speedwrench72 (Post 14296053)
Diesel Rug blends have been done when using WMO to make it start easyer, I have ran 60% virgin motor oil Diesel blends with no problems is stock fuel system in 91 Idi

I'm still curious how you manage to make that cost effective.

speedwrench72 05-03-2014 08:26 PM

Got the virgin oil for free......

parkland 05-04-2014 12:23 PM

Where I live virgin oil is now cheaper than diesel fuel, so any mixed in would be more cost effective since engine oil has more BTU's than diesel.

flainn 05-04-2014 05:29 PM

Sweet deal if you can get it...

Now, when you guys say "virgin oil", what exactly are you talking about? What weight?

And Parkland, I'd be hard pressed to find any new motor oil that costs less per gallon than diesel. Even buying it in 5-gallon buckets it still costs $12 a gallon or so. What's your secret?

parkland 05-05-2014 10:05 AM

Quote:

Originally Posted by flainn (Post 14318355)
Sweet deal if you can get it...

Now, when you guys say "virgin oil", what exactly are you talking about? What weight?

And Parkland, I'd be hard pressed to find any new motor oil that costs less per gallon than diesel. Even buying it in 5-gallon buckets it still costs $12 a gallon or so. What's your secret?

Gas station : Diesel 1.45 / liter
Walmart 15w40 : 20 liter pail for 30$

flainn 05-05-2014 04:52 PM

Quote:

Originally Posted by parkland (Post 14320112)
Gas station : Diesel 1.45 / liter
Walmart 15w40 : 20 liter pail for 30$

I'm confused ... because doing the math, it looks to me like the oil is still costing you more than pump diesel.

Assuming you're using US gallons (maybe you aren't),

3.78541 L / gallon

Diesel $1.45 / L

1 gallon diesel = $5.49


Oil:

20 liters (5.28344 gal) for $30

Or $5.68 per gallon

madpogue 05-06-2014 11:34 PM

^^^^ Um, the math is easier if you DON'T convert to gallons. 20-liter pail of oil for $30 is $1.50 / liter, 5 cents a liter more than the diesel. So it's close.

Stateside, we're paying aprx. $4/gallon for diesel. The "pails" of oil here are 5-gallon, and even the cheapest oil is aprx. $40/pail, so about twice the price of fuel. So Canada is experiencing cheaper oil, and more expensive fuel, than we get.

So why does that article, after talking about getting rid of the throttle and spark plugs, show an animated diagram of an Otto-cycle engine? :confused:


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