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OT Using Jet Fuel as diesel ?
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Robert Mull Georgia View Drop Down
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Joined: 14 Sep 2009
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Points: 211 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Robert Mull Georgia Quote  Post ReplyReply Direct Link To This Post Topic: OT Using Jet Fuel as diesel ?
    Posted: 11 Feb 2011 at 7:26am
Any of you ever use Jet fuel as diesel in your tractors? What would be the problems? I have friend of a friends cousin etc. who does maintenance of the fuel tanks at some small airports and has Jet fuel he has removed from airport tanks cheap. But I do not want cheap to cost me in repairs!< ="-" ="text/; =utf-8">< name="ProgId" ="Word.">< name="Generator" ="Microsoft Word 11">< name="Originator" ="Microsoft Word 11">  
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Denis in MI View Drop Down
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Points: 832 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Denis in MI Quote  Post ReplyReply Direct Link To This Post Posted: 11 Feb 2011 at 7:28am
I have heard of it but never tried it.
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Dale Hardtke View Drop Down
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Points: 169 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Dale Hardtke Quote  Post ReplyReply Direct Link To This Post Posted: 11 Feb 2011 at 7:37am
Used lots of jet A fuel in a VW diesel with no problems. Usually used it with a mix of no.2 diesel and jet A.  The mix was, fill the tank with jet A, and whatever was left in the tank of no. 2 diesel.
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Dave H View Drop Down
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Points: 3543 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Dave H Quote  Post ReplyReply Direct Link To This Post Posted: 11 Feb 2011 at 7:49am
the local guys do it here with Jet A in both a powerstroke and a VW.
 
don't know the years of the vehicles though.
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LouSWPA View Drop Down
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Points: 24518 		Post Options Post Options   Thanks (0) Thanks(0)   Quote LouSWPA Quote  Post ReplyReply Direct Link To This Post Posted: 11 Feb 2011 at 7:55am
You may want to placard the muffler with "stay clear of exhaust blast"
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Dave A View Drop Down
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Points: 855 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Dave A Quote  Post ReplyReply Direct Link To This Post Posted: 11 Feb 2011 at 8:31am

when I worked over seas. we ran it in our trucks and refrigtors. Just to use it up when we got to the bottom of the tanks. It is a refined keroseen. You might see a little less power. Never thought of asking around here. Might just start doing it myself
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Brian Jasper co. Ia View Drop Down
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That's what the military does. The engine will run fine, but power will be reduced. Jet A has fewer BTU's in it than #1 diesel. If you do run it, I would add some lubricity enhancing additives to it.
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Points: 41775 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Coke-in-MN Quote  Post ReplyReply Direct Link To This Post Posted: 11 Feb 2011 at 10:29am
Aboard the carrier i was on we used JP5 and all the GMC engines in the 40' and 50' motor launches were fueled with it as well as fork lifts,tugs, starting carts. some of the 3 wheel jeps with generator packs were fueled with 115/145 Av Gas.
 Heck fueled my Zipo lighter with mixture of 115/145 and JP5 - straight 145 evaporated to fast.
 Lesat you wont have to worry about it jelling in the cold.
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Points: 723 		Post Options Post Options   Thanks (0) Thanks(0)   Quote skipwelte Quote  Post ReplyReply Direct Link To This Post Posted: 11 Feb 2011 at 12:52pm
When I was in Iraq we had to use JP8 in all our vehicles, thats all the Army would let you use.  the five ton trucks had either non tubo 855 Cummins  or 505 turboed Cummins.  Out of around 50 trucks it took and engine a month, they all had scored liners from dry fuel.  The Humvees didnt like the JP8, they didnt like to start hot, the pumps were scored internally.  We could get #2 diesel due to part of the misson, so we ran #2 in the Hummers and we did not run the Hummers on convoy cause the bad guys will wait for Hummers to come down the road and blow it up cause its easier to kill than the 5 ton.  The Air Force used JP8 in all the aircraft support vehilces, like the bomb loaders, hydralic mules and auxillary power units, but they dont get the high hours on them before they are replaced.  You wont jell in cold weather with JP8 either.  A grade is probably what you are going to get, which is more like kerosine,  JP8 is dryer, JP4 is more like gasoline and kerosine mix,  JP5 is what the Navy used on board ship, and little heavier than JP8. I liken A grade as a dry #1 diesel fuel. By all means use a real good fuel conditoner, not power service and you shouldnt have any problems. HTH
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injpumpEd View Drop Down
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Points: 4987 		Post Options Post Options   Thanks (0) Thanks(0)   Quote injpumpEd Quote  Post ReplyReply Direct Link To This Post Posted: 11 Feb 2011 at 1:47pm
What are you looking to run it in? Add Stanadyne performance formula to it and you may be ok. Newer technology engines I would steer clear of it. What you save on fuel, you'll likely pay for repairs. Also, if running in a pick-up, be aware, it is not taxed, so it will be treated as though its red off-road fuel. I have worked on injection pumps for military, or airports that were run on jet fuel of some sort, not sure, but pumps are really clean inside, and not as worn out as I thought they would be, but it is CAV's and Roosamasters were talking about. 
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Points: 8027 		Post Options Post Options   Thanks (0) Thanks(0)   Quote klinemar Quote  Post ReplyReply Direct Link To This Post Posted: 11 Feb 2011 at 3:41pm
My son who was a Army mechanic said the only trucks that ran good on the JP fuel were the old Multifuel deuce and a half's which the Military is phasing out.He said all the new trucks which are powered by Cat or Cummins engines did not start good in cold weather or run good on that fuel.I would be afraid of  injection pump lubrication burning a kerosene type fuel.I remember when low sulfur diesel came on the scene a lot of truckers were loosing pumps if they did not run an additive.
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Points: 1153 		Post Options Post Options   Thanks (0) Thanks(0)   Quote j.w.freck Quote  Post ReplyReply Direct Link To This Post Posted: 11 Feb 2011 at 7:08pm
coke...we are really telling our age if we remember the old purple 115/145 aviation fuel.when  the 115/145 dried up,you lost about 400 hp on the old 3350 turbos on the dc-7.if you tried to up the manifold pressure it would start hammering like a rock crusher,better pull her back.( that was 400 hp.per engins).i think you can still get 115/145 in very limited supply
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Points: 63 		Post Options Post Options   Thanks (0) Thanks(0)   Quote lussetto Quote  Post ReplyReply Direct Link To This Post Posted: 11 Feb 2011 at 7:47pm

FYI, Jet A/JP8 is 75% kerosene and 25% gasoline.  It may work, but the BTU's will be lower and the lubricity would be concerns for me.

Greg
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Points: 186 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Tricky Dickie Quote  Post ReplyReply Direct Link To This Post Posted: 12 Feb 2011 at 5:30am
Originally posted by lussetto lussetto wrote:

FYI, Jet A/JP8 is 75% kerosene and 25% gasoline.  It may work, but the BTU's will be lower and the lubricity would be concerns for me.

Greg
Absolutely right! Jet fuels are mostly kerosene, which has minimal lubricity and will ultimately ruin injection equipment unless lubricating oil and/or lube additives are added in plenty! Kero is also less dense and has lower energy than diesel and will produce less power, with the engine running like a dog. The answer to your question is DON'T DO IT! If you have some buckshee jet fuel, use it in spark ignition kerosene tractors where it will work perfectly, NOT in diesel engines. The fact that some people may have been lucky and have been getting away with it does not mean that you will! YOU HAVE BEEN WARNED
Tricky Dickie
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Points: 10 		Post Options Post Options   Thanks (0) Thanks(0)   Quote dennyh(oh) Quote  Post ReplyReply Direct Link To This Post Posted: 12 Feb 2011 at 7:44pm
fuel is much dirtier than #2 diesel. have seen injector tips blown off in the newer motor
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