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16-02-2017, 19:42   #1
lien1
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Is it true you can run your diesel car on cooking oil ? A guy in pub was saying the diesel car he has run for ages on the stuff with no problems anyone ever tried this!
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16-02-2017, 19:47   #2
Jacktari
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Originally Posted by lien1 View Post
Is it true you can run your diesel car on cooking oil ? A guy in pub was saying the diesel car he has run for ages on the stuff with no problems anyone ever tried this!
Rudolph Diesel designed the engine to run on peanut oil.
You can run a diesel on practically any combustible agent.
They can even run on coal dust if tuned for it.
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16-02-2017, 19:54   #3
lien1
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bet it smells like a chip shop
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16-02-2017, 20:01   #4
Penistone999
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Quote:
Originally Posted by lien1 View Post
Is it true you can run your diesel car on cooking oil ? A guy in pub was saying the diesel car he has run for ages on the stuff with no problems anyone ever tried this!
He`s right , you can .
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16-02-2017, 20:21   #5
Jacktari
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The reason we use petroleum based fuels today is because of the influence of men like Rockefeller in the early days. They discovered its potential as far more powerful than vegetable oils.

If you read the history it is fascinating.
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16-02-2017, 20:26   #6
littlebasher
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If it's a recent common rail - forget it, you'll destroy the fuel pump.

Old school diesels, especially those with Bosch fuel pumps are usually fine with it. Plenty of info on Diesel Bob's website IIRC
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16-02-2017, 20:30   #7
geared
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Yep most things post 2000 will get ruined by veg oil, some can run biodiesel, which you can either make yourself or buy in.
More modern common-rail engines can be quite picky and only run well on Diesel.

Quote:
Originally Posted by lien1 View Post
bet it smells like a chip shop
Yea it stinks, I ran my old 306 on veg oil for several years.
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16-02-2017, 20:38   #8
Jacktari
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Originally Posted by geared View Post
Yep most things post 2000 will get ruined by veg oil, some can run biodiesel, which you can either make yourself or buy in.
More modern common-rail engines can be quite picky and only run well on Diesel.
Yea it stinks, I ran my old 306 on veg oil for several years.
I was not suggesting that some one tries to run an engine on anything other than road fuel.
Please do not even attempt to do so.

I was only commenting on the theoretical design of a diesel engine.
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16-02-2017, 23:49   #9
carltoncdx
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I ran a Range Rover on biodiesel for over 40,000 mls before i sold it to a guy that put nearly 70,000 miles before he sold it to another bio user who still has it!
Over 250,000 miles on it and still going strong!
Most common rail diesels using a Bosch pump will be fine on bio unless the weather gets a it nippy in which ase mix a bit of normal diesel in to thin it down a bit.
Anything with a DPF filter may have problems as bio doesn't burn hot enough to regenerate correctly.
If you really want to run veg oil look anything with a BMW M51 engine in it.
Range rover P38, BMW 5 series or Vauxhall Omega.
A lot of older pugs are good on it too!
Don't forget you CAN NOT get old used oil and slap it in the tank...it MUST be filtered and de-watered before use.
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16-02-2017, 23:59   #10
phil752
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Quote:
Originally Posted by Penistone999 View Post
He`s right , you can .
yep i used to do it 60 desil 40 oil, but the price of cooking oil seems to rises withe price of desil
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17-02-2017, 10:28   #11
carosio
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Mine's got the older 1.9 DTi VW engine and run it on 40% supermarket veg oil. It coughs sometimes on starting when the temp is around freezing, but can increase the ratio in the warmer weather. On a long run when the engine is warm, I can use 100%. Veg oil has increased in price recently probably due to the pound falling. My old Astra Mk 3 also ran on it.
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17-02-2017, 11:34   #12
geared
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Quote:
Originally Posted by Jacktari View Post
I was not suggesting that some one tries to run an engine on anything other than road fuel.
Please do not even attempt to do so.
Why not, it's perfectly legal if you follow the law and choose an appropriate engine for the task.

Quote:
Originally Posted by Jacktari View Post
Rudolph Diesel designed the engine to run on peanut oil.
This is also false

Last edited by geared; 17-02-2017 at 11:39.
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17-02-2017, 15:59   #13
sgtkate
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I thought I'd read/heard somewhere that you still needed to pay duty on the oil and therefore it was technically illegal to run a road car on vegetable oil. Is this not the case anymore?
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17-02-2017, 16:41   #14
spilldig
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I was sure I heard years ago somewhere that Diesel originally designed his engine to run on water. I couldn't find any reference to it, but I used to drive a lorry.
By way of an experiment I started to add a little water in with the fuel every time I filled up. I don't recall now how much I added but there seemed no difference in performance or MPG. Now for all I know, long term, it may damage the engine so wouldn't necessarily recommend it but I'm just stating the results.
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17-02-2017, 16:44   #15
Jacktari
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Quote:
Originally Posted by geared View Post
Why not, it's perfectly legal if you follow the law and choose an appropriate engine for the task.

I was meaning so as not to damage the engine.

This is also false
No it isn't, read about the man and his ideas.
I am not going to try and teach you, find out for yourself.
You have a very abrupt tone I must say.

Last edited by Jacktari; 17-02-2017 at 16:47.
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17-02-2017, 17:00   #16
Mr Bloke
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Quote:
Originally Posted by lien1 View Post
Is it true you can run your diesel car on cooking oil ? A guy in pub was saying the diesel car he has run for ages on the stuff with no problems anyone ever tried this!

Hmmm...

... I think this only works if your car engine has been chipped!
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17-02-2017, 17:04   #17
sgtkate
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Originally Posted by Mr Bloke View Post

Hmmm...

... I think this only works if your car engine has been chipped!
Ba-dum-tish.
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17-02-2017, 17:37   #18
Obelix
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Quote:
Originally Posted by Jacktari View Post
No it isn't, read about the man and his ideas.
I am not going to try and teach you, find out for yourself.
You have a very abrupt tone I must say.
Diesels original engines were not designed to run on peanut oil nor did he set out so to do. His patent applications and design notes clearly show that he originally intended them to run on coal dust and they did so.

At the Paris Exhibition there was one that ran on vegetable oil and this was also run on peanut oil but this was considerably after his patent application and after Sulzer, Krupp and Branobel had licenced the technology from Diesel.
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17-02-2017, 17:50   #19
Jacktari
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Quote:
Originally Posted by Obelix View Post
Diesels original engines were not designed to run on peanut oil nor did he set out so to do. His patent applications and design notes clearly show that he originally intended them to run on coal dust and they did so.

At the Paris Exhibition there was one that ran on vegetable oil and this was also run on peanut oil but this was considerably after his patent application and after Sulzer, Krupp and Branobel had licenced the technology from Diesel.
If you believe that fine, carry on.
It is not worth arguing about.
I am right, you just carry on. Life is too short to be overly concerned.
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17-02-2017, 17:52   #20
geared
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Quote:
Originally Posted by Jacktari View Post
I am right, you just carry on.
Lol at this pellet!

Crack on son, who cares if everyone else questions you eh?
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