Isuzu Trooper Owners Club UK™

wayneh · Posted: Sun Mar 14, 2010 3:30 Post subject: black diesel

as anyone on here used/made/had any dealing with black diesel?? http://en.wikipedia.org/wiki/Black_Diesel

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Wirdy · Posted: Sun Mar 14, 2010 13:47 Post subject:

I used to put the old engine oil from my pug 405 diesel straight into the fuel tank after an oil change. This was over 40k-odd miles with 6k oil changes. Never had any probs.

I haven't done this with my 3.0 though as I don't want to give the injectors any excuse to misbehave Smile

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2001 3.0 DT LWB Duty - Dragon Green Metallic.

Trooper John · Posted: Sun Mar 14, 2010 14:26 Post subject:

I wouldn't bother, can get too much *beep* in engine oil. You would also need to pay fuel duty to keep it legal.
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1996 N Isuzu Trooper Duty LWB 3.1TD

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richard wilkinson · Posted: Sun Mar 14, 2010 21:23 Post subject:

green ovel brigade been doing it years
but is it worth all the hassle to make a tenners worth of fuel after a oilchange
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markymoan · Posted: Sun Mar 14, 2010 21:58 Post subject:

The 3.0 seems to run great on a mix of engine oil and derv confused1

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wayneh · Posted: Mon Mar 15, 2010 1:59 Post subject:

my mate runs 6 8wheeled tippers so got a good supply of used engine oil. if i was to do it i would do it in batches of 100 litres, what are the emission like and what is customs and excises view??

Trooper John · Posted: Mon Mar 15, 2010 2:12 Post subject:

markymoan · Posted: Mon Mar 15, 2010 2:16 Post subject:

The emissions is a good question as its burning oil, I bet it stinks and smokes like a hippy.
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wayneh · Posted: Mon Mar 15, 2010 2:23 Post subject:

if it burns cleanly i think you could plead ignorant with hmrc, but if billowing smoke and giving off that sickly burnt oil smell your looking for trouble

The Laird · Guest

I suppose the oil contains the 'oil', blue smoke, carbon, not sure what that 'burns' like and 'unburned hydrocarbons' could be fuel(?).
There could also be 'solids' like metalic particles. There could also be water and suphur dioxide.
There is also all the addatives that the oil manufacturers put in the oil.
What about the fully synthetic oils? What is in them?

I'm being a bit negative, arn't I?

markymoan · Posted: Mon Mar 15, 2010 3:08 Post subject:

I dont think its legal, there are to many cancer causing agents in there (cant remember the word)
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sweeney · ** Joined: 23 May 2008 Posts: 88 Location: staffs

i know a crowd who were selling this, i decided to be cautious and glad i did, next time i saw the guy he told me that lots of engines had got wrecked.
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Wirdy · Posted: Mon Mar 15, 2010 20:16 Post subject:

It's Carcinogenic Mark Smile

5 litres or so of old engine oil won't do any harm in 50 litres of diesel, but if you start reducing the amount of diesel then you really need to thin the mix with a lighter oil like kerosene, paraffin, Avtur, etc to keep it at the right viscosity. Depends if you can get this cheap / free as well though.

I wouldn't worry about the paying tax on it - unless you feel that motorist's are under-taxed at present Shocked

, anyway, who's gonna know? old oil doesn't smoke any more than normal.

All in all, probably not worth the hassle to do this as a regular fuel, only as a way of getting rid of old engine oil.
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2001 3.0 DT LWB Duty - Dragon Green Metallic.