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Used ATF as fuel??

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Old 08-11-2016, 07:08 AM   #1  
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Used ATF as fuel??

Does anyone body have any experience running used ATF as fuel? A transmission shop owner that did the Fummins conversion was going to be trying it running it but i have since lost contact with him. Also had a friend who toyed with sunflower oil as a fuel but his refinement process wasnt up to par as he had to constantly replace fuel filters.
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Old 08-11-2016, 09:37 AM   #2  
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Look around the internet and you'll see that this topic is HUGELY debated by many people. The old timers believe using ATF in the fuel is OK because they used to do this back when diesels were hated by everyone but truckers. But crowds of people appose this who understand that the ATF of today is nothing like the ATF of yesteryear.

The ATF we use now contains additives, anti-burn properties, detergents, etc... All which are not copacetic for properly burning fuel and will do more harm than good to the delicate diesel fuel system components. This doesn't even account for the dirt and crap thats suspended in used ATF oil. Who wants this kinda stuff in their fuel?????

Rather if you're looking a fuel lubricity additive then look at 2-stroke oil.

Also, running any kind of oil fuel additive in trucks post 2007 will be a problem.
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Old 09-06-2016, 06:22 PM   #3  
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Does anyone body have any experience running used ATF as fuel?

I'm guessing you might be looking for a easy way to get rid of some used ATF you have sitting around(?) I can actually tell you from experience (having run my '03 5.9 on waste vegetable for over 5 years) and having experimented some by adding both waste ATF and waste motor oil to both my stock diesel tank and my waste vegetable oil tank... doing so has not caused any catastrophic effects.

However, that said... both the used ATF and the used motor oil I used were well filtered and not contaminated with anything (i.e. water, etc..). Also, I only added one or the other in relatively small amounts...no more than a gallon of either to a full (34 gal) tank of diesel or wvo. The reason I kept the ratio of WMO or WATF so low... I noticed at higher concentrations, my 03 5.9 began to produce smoke out the tail pipe, and not just a little smoke... a lot of very noticeable, rather embarrassing (call the EPA) amount of grayish-black smoke which btw would not go away until I ran the stock tank nearly empty and refilled with straight diesel!

Interesting to note (it's been rumored) some of the shop manuals for the older diesels suggested one way to dispose of waste motor oil (from one's oil changes) could be done by simply dumping the wmo back into the vehicle's fuel tank. Of course today's diesels are quite a bit different than the Diesels of 30+ years ago
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Old 09-06-2016, 09:47 PM   #4  
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Interesting to note (it's been rumored) some of the shop manuals for the older diesels (up until the early 80's) suggested one way to dispose of waste motor oil (from one's oil changes) could be done by simply dumping the wmo back into the vehicle's fuel tank. Of course today's diesels are quite a bit different than the Diesels of 30+ years ago

My factory manual for my 92 D250 suggest this.
I can't remember the ratio off hand but personally have put 5 gallons of WMO into a nearly empty tank and then driven to gas station and filled up with 25 Gallons of #2.
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Old 09-06-2016, 10:42 PM   #5  
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My factory manual for my 92 D250 suggest this.
Nice! Rumor finally confirmed all the way up til '92. Rather surprising considering the "emissions police" were fairly well established by this time.
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Old 09-07-2016, 10:22 AM   #6  
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Back then diesels were still considered the red headed step child of the everyday automotive world and received little to no attention from the EPA. No one wanted a diesel. They were LOUD, stinky, hard to find fueling stations, and could hardly get out of their own way.
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Old 09-07-2016, 05:45 PM   #7  
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Back then diesels were still considered the red headed step child of the everyday automotive world and received little to no attention from the EPA. No one wanted a diesel. They were LOUD, stinky, hard to find fueling stations, and could hardly get out of their own way.
Right. Plus they were extremely temperamental/hard to start in the winter months. Part of the problem came from some of the big auto manufacturers trying to apply gasoline engine designs/parts to diesel engine designs. Most people who bought Diesels back in the 70's/80's won't even consider buying another Diesel to this day... I actually still recall (back in 2005) telling my Dad I was about to buy a Diesel truck and he spent the next 30 minutes trying to talk me out of it - lol
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Old 09-08-2016, 09:21 AM   #8  
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Nice! Rumor finally confirmed all the way up til '92. Rather surprising considering the "emissions police" were fairly well established by this time.
Just looked thru my 97 owners manual, here is what it says "Lube oil blending with the fuel is not permissible. Damage to the catalyst will result."

So it looks like starting with 1/1/94 production the recommendation stopped.

Of course, if Kitty fell off.............
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