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Pickups Diesels Diesels in the News
8147 messages, Last post on Dec 04, 2009 at 8:22 PM
You are in the Diesels Forum. Your Host is kcram
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Replying to: agrawal (Oct 13, 2009 7:14 pm) How is this a bad side of new diesel technology? Wouldn't the opposite be true, that all gasoline-powered vehicles have a 'bad side' because they don't like drinking diesel? Yes, all gasoline engines are poorly built because they don't accept other fuels. LOL-FAIL! I'm not sure if it is still possible with all the emissions controls on modern diesels, but some people I know used to cut heavy-duty diesel fuel with kerosene, benzene, even gasoline in the winter to prevent gelling. I'll bet on an MB they would not cover it under warranty if they found out you were running it on anything other than 100% highway diesel. How much would say 10% gasoline in a diesel fuel mix hurt it? Fuels are hydrocarbon mixtures anyway, there is no specific 'diesel' molecule. Just curious if anyone has references.
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Replying to: bigmclargehuge (Oct 14, 2009 4:49 am) |
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Replying to: agrawal (Oct 14, 2009 5:31 am)
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Replying to: bigmclargehuge (Oct 14, 2009 4:49 am) I'll bet on an MB they would not cover it under warranty if they found out you were running it on anything other than 100% highway diesel. How much would say 10% gasoline in a diesel fuel mix hurt it? Fuels are hydrocarbon mixtures anyway, there is no specific 'diesel' molecule. Just curious if anyone has references. Absolutely right. It certainly was an old trick to get diesels running in cold weather when diesel fuel would form wax crystals. Modern diesel fuel has a much lower wax-point and this is no longer a problem. The wax is simply refined out, (and is a fairly financially-attractive by-product, as is the suphur removed from fuels). Modern diesel engines have very tightly toleranced pumps and injection kit that relies on the natural lubricity of the fuel to keep working, (vs virtually nil with gasoline). This, as I understand it, is the crux of the problem although even then it is very seldom an instantly catastrophic event - despite the manfrs claims to the contrary. Still, the answer is simple - don't put gasoline through a modern diesel engine. As a public service announcement I would also advise against putting gasoline through your GE or RR jet engines; for aviation use anyway. You may not walk away from that one and don't even think about a warranty claim. 
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Replying to: alltorque (Oct 14, 2009 6:05 am) Yet, my neighbor never blamed diesel engines but himself for the mistake.  To each, its own. Regards, Jose |
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Replying to: houdini1 (Oct 14, 2009 5:54 am)  Regards, Jose
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Replying to: alltorque (Oct 14, 2009 6:05 am) Today's high tech autos are not very forgiving on most of the fluids put in. There are people that have had dealers put the wrong fluids in the transmission, engine, & Power steering. Anyone of which can cost thousands down the road. Putting the wrong fuel or fluid is strictly human error. Has Nothing to do with design. You want an engine you can run about anything in get an old diesel tractor. |
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Replying to: jlbl (Oct 14, 2009 6:43 am)
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Several months ago there was talk about a 4.5L Duramax for use in the Silverado/Sierra 1500 series trucks. It was supposed to come out in the 2010 model year. Has anyone heard anything since? Or did GM's financial problems nix this one?
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Replying to: agrawal (Oct 14, 2009 5:31 am)
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