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Thread: Kids & morals, diesel & petrol

  1. 5th July 2010, 08:59 PM #11
    Blknight.aus's Avatar
    Blknight.aus
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    poor mans alpine diesel can be made by mixing petrol into diesel...

    one of my old school mechanical engineering books had a compensation table for the percentage of petrol you could reasonably put in diesel as the temperature drops. at the same time you can put kero (or in a pinch diesel) into the engine oil to stop it from thickening up with the cold (the kero/diesel evaporates out as the engine warms up)
    Dave

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  2. 5th July 2010, 09:05 PM #12
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    Quote Originally Posted by steveG View Post
    Are you sure about that?
    I know they use heating oil in Alpine Diesel, but pretty sure they don't use petrol.

    Steve
    You can indeed.We use it back home during the cold winters to stop the diesel from gelling. Many people running SVO here also use it as an additive to thin out the oil a bit and make it easier on the injection pump. So it's not a death knell for a diesel engine. It's much more interesting watching the smoke come out of a petrol car that's just had diesel put in it...
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  3. 6th July 2010, 01:45 PM #13
    Didge Guest
    Mike ie, yeah filling her up, eh?! he just offered to go fill the jerry can so I can flush out the system and I said no! I'll show you which pump to use! oh, and that's a point -watching black smoke from a petrol car - hahaha!!
    Thanks for your advice guys, am working on it right now
    cheers Gerald
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  4. 6th July 2010, 02:11 PM #14
    Tombie Guest
    Quote Originally Posted by mike_ie View Post
    So it's not a death knell for a diesel engine. It's much more interesting watching the smoke come out of a petrol car that's just had diesel put in it...
    It is to a modern Turbo Diesel...

    Like around $13,000+ worth of damage to a TDV6 if you put petrol in there!
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  5. 6th July 2010, 02:34 PM #15
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    Quote Originally Posted by Tombie2 View Post
    It is to a modern Turbo Diesel...

    Like around $13,000+ worth of damage to a TDV6 if you put petrol in there!
    Fair point. I was going on his engine being a TDI. If you could shovel coal into it, I'm fairly sure that it would probably keep going....
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  6. 6th July 2010, 04:13 PM #16
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    Quote Originally Posted by mike_ie View Post
    Fair point. I was going on his engine being a TDI. If you could shovel coal into it, I'm fairly sure that it would probably keep going....
    nahh the TDI draws the line at sweet lite crude, might have a shot at doing the fozzy over to coal...
    Dave

    "In a Landrover the other vehicle is your crumple zone."

    For spelling call Rogets, for mechanicing call me.

    Fozzy, 2.25D SIII Ex DCA Ute
    Tdi autoManual d1 (gave it to the Mupion)
    Archaeoptersix 1990 6x6 dual cab(This things staying)


    If you've benefited from one or more of my posts please remember, your taxes paid for my skill sets, I'm just trying to make sure you get your monies worth.
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  7. 6th July 2010, 07:03 PM #17
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    In the UK we used to put petrol in with the diesel in winter to stop it waxing up, along as you drain all the petrol by the tank, and fill with Diesel and bleed the system through replacing the fuel filter, i don't think it would do too much damage.

    cheers Mark

    Land Rover 200 Tdi Defender owner
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  8. 6th July 2010, 07:47 PM #18
    slug_burner
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    A BP chemist came over as a guest speaker to the club and spoke of alpine diesel. In Aus Alpine diesel/winter diesel is provided in the higher altitude areas of Aus. The most common ways of lowering the cloud and pour points in diesel is to mix in kero or heating oil. Could point is the temp when diesel turns cloudy which is the first sign of the wax crystals forming in the fuel. The pour point is the temp when the wax crystals have formed to the extent that you cannot pour diesel any more.

    Common rail diesels don't like winter diesel prepared with kero.

    The temp difference between the winter and summer diesel in Aus is not that great something like a pour point of -3C for summer and -6C for winter. To achieve that a 5% kero can be used.

    Diesel in oil will only promote earlier gelling of the oil and happens in diesel engines that have diesel contaminating the sump oil.
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  9. 7th July 2010, 04:03 PM #19
    Didge Guest
    While we're on the topic guys, when I thought my problem was the turbo the chap out at land vehicle spares suggested I clean out the intercooler with detergent and water. Is that ok?
    cheers gerald
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  10. 7th July 2010, 04:32 PM #20
    B92 8NW
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    Quote Originally Posted by pirasea View Post
    While we're on the topic guys, when I thought my problem was the turbo the chap out at land vehicle spares suggested I clean out the intercooler with detergent and water. Is that ok?
    cheers gerald
    I used detergent and water after cleaning it out with petrol. Thought it needed something a bit stronger than water to strip all the crap out.

    Just make sure you rinse it well with the detergent and water and get all the fumes out.
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