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Author Running a diesel on Cooking Oil
phil_sutton
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Registered: 8th Sep 07
Location: Nottingham
User status: Offline
1st Oct 07 at 18:26   View User's Profile U2U Member Reply With Quote

the newer ones dont like it but the old ones can run on it fine. At the end of the day the diesel engine was designed to run on veg oil in the first place.
CorsAsh
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Registered: 19th Apr 02
Location: Munich
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1st Oct 07 at 18:33   View User's Profile U2U Member Reply With Quote

I don't know if anyone else knows this, but the diesel engine was invented to run on vegetable oil in the first place
BaNNi
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Registered: 2nd Apr 05
Location: Newton Aycliffe
User status: Offline
1st Oct 07 at 18:36   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by CorsAsh
I don't know if anyone else knows this, but the diesel engine was invented to run on vegetable oil in the first place


That's what I said further up the thread
John
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Registered: 30th Jun 03
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1st Oct 07 at 18:39   View User's Profile U2U Member Reply With Quote

It was originally made to run on it yes.

I doubt manufacturers put much r&d into making them run on old chip fat now though tbh.
ed
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Registered: 10th Sep 03
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1st Oct 07 at 18:41   View User's Profile U2U Member Reply With Quote

So that's why Daimler Chrysler spend so much money researching about the use of biofuels then?
John
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Registered: 30th Jun 03
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1st Oct 07 at 18:42   View User's Profile U2U Member Reply With Quote

I don't know, I don't know what they spend it on really.

Would running old chip fat in my car be equivalent to what I normally put in it?

No adverse affects etc etc?

If not i'll assume it wasn't designed to run on it.
ed
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Registered: 10th Sep 03
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1st Oct 07 at 18:45   View User's Profile U2U Member Reply With Quote

The only adverse effect would be that used veg oil freezes in cold weather.

The fact is, there is going to be a transition period between the time we use fossil fuels and the time we use hydrogen fuels and other electric powered vehicles. So people messing about with veg oil is fairly serious business.
James_DT
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Registered: 9th Apr 04
Location: Cambridgeshire
User status: Offline
1st Oct 07 at 18:46   View User's Profile U2U Member Reply With Quote

Would modern diesel engines not be optimised to work on diesel fuel and not SVO?
ed
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Registered: 10th Sep 03
User status: Offline
1st Oct 07 at 18:50   View User's Profile U2U Member Reply With Quote

The problems exist at the modern parts, like the injectors, pump and fuel lines. I don't know why they exist as bio fuels are ~ the same viscoscity and ~ same weight. I guess what you could do is run your car on jet fuel as that's basicly the same stuff as diesel, but a lot cheaper.
stubbsy05
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Registered: 23rd Oct 02
User status: Offline
1st Oct 07 at 22:09   View User's Profile U2U Member Reply With Quote

Interesting read.

I have a VW vento (mk3 golf tdi with a boot) and it cost me #300 quid. I have put 5k on it since mid July so am thinking of giving veggie oil a go as I am forever filling up my car its getting boring!

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