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Diesel Engines A forum dedicated to diesel engines fitted to Volvo cars. See the first post in this forum for a list of the diesel engines. |
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BP ultimate dieselViews : 10383 Replies : 63Users Viewing This Thread : |
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Jul 21st, 2012, 08:47 | #11 |
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Yes, and what additives, if any, can we use in a Volvo diesel engine. I read an article somewhere on here the other day that said Volvo did not recommend any additives be added to the fuel for their diesel vehicles - can't find it now - bugga. Where are the Volvo trained experts when you want them.......
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2009 XC70 Geartronic SE Lux (185HP at the moment......) Porsche sold looking for a P1800....... |
Jul 21st, 2012, 09:52 | #12 |
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For interest folks:
http://en.wikipedia.org/wiki/List_of_gasoline_additives Click on the red or blue text to find out more about each additive.
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I get into a pink Volva whenever I like, my S70 is coral red metallic. Volvo S70 SE auto 1998 vintage |
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Jul 21st, 2012, 10:10 | #13 | |
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Quote:
The advantage of a more refined fuel pays of on the long run. And it may make diagnosing a fuel related fault a bit easier .
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Jul 21st, 2012, 10:13 | #14 |
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Just read a bit of this, and then you can make your own decisions.
http://www.bp.com/sectiongenericarti...tentId=7022584
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Jul 21st, 2012, 10:22 | #15 | |
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Quote:
But there are car manufactures that recommend specific fuels.
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Jul 21st, 2012, 10:30 | #16 |
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If you have a DPF (diesel particle filter), just be carefull as to what you put in the fuel tank. Remember as well that you need a specific oil with low ash index.
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S60 D5 Last edited by Topspeed; Jul 21st, 2012 at 10:37. |
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Jul 21st, 2012, 13:36 | #17 |
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this is why you are better off using non supermarket fuel...for me shell or bp ultimate.
in relation to DPF's there is less smoke meaning less regeneration extending the life to. it is not as though in real terms that is costs more because your MPG increases. |
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Jul 22nd, 2012, 05:20 | #18 |
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There was a scientific research that warned against useage agains premium diesel wich contained GTL (transformed gas into synthetic diesel) in combination with dpf's
Gtl burnes very clean but has the sideeffect to produce extra thin "supersoot" wich needs higher temperatures to burn 650c/700c instead of 600c Wih adblue systems it will probably burn , but dpf with post injection to produce 600c temperatures dpf's can plug or excessivly regenerate |
Jul 22nd, 2012, 09:39 | #19 | |
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Quote:
I thought that GTL referred to a refinery process to convert natural gas into gasoline and diesel fuel? Using gas-to-liquids processes, refineries can convert some of their gaseous waste products (flare gas) into valuable fuel oils, which can be sold as is or blended only with diesel fuel. Is the UK diesel mixed with this synthetic diesel? http://www1.eere.energy.gov/vehicles...r_schaberg.pdf
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Jul 22nd, 2012, 10:04 | #20 | |
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"GAS-TO-LIQUID DIESEL Another class of synthetic (non-crude oil derived) diesel fuel that has received significant attention recently is referred to as gas-to-liquid (GTL) diesel. GTL diesel is produced from natural gas using the Fischer-Tropsch® process, which was first developed in the 1920s. The Fischer-Tropsch® process uses special catalysts to convert natural gas through a carbon monoxide-hydrogen intermediate into a mixture of synthetic hydrocarbons referred to as syncrude. The syncrude is further refined via isomerization, hydrocracking/ hydrotreating, and fractionation processes to produce a completed fuel. GTL processes can yield high-quality fuels with exceptional properties. Refined syncrude diesel, GTL diesel, is composed almost exclusively of paraffins, with virtually no aromatic hydrocarbon or olefins content. In addition, GTL diesel fuel is nearly free of sulfur and nitrogen. The cetane number of GTL diesel is significantly higher than conventional diesel – typically in the range from 70 to 75. GTL diesel is characterized by poor lubricity and must be treated with a commercial lubricity additive. In addition, it also has poor cold flow properties, limiting its potential use in cold weather applications. At the same time, properly treated GTL diesel is fully compatible with existing diesel engine technology and can be used interchangeably (and mixed) with conventional diesel fuel. The energy density of GTL diesel is similar to conventional diesel. Typically, GTL diesel results in lower hydrocarbon, carbon monoxide, nitrogen oxide, and particulate emissions when compared with conventional diesel fuel. GTL diesel does not provide any advantage, however, in terms of CO2 tailpipe emissions. GTL diesel has not seen widespread commercial use. Its intrinsic advantage of upgrading low-grade natural gas to valuable liquid products is balanced against capital investment and production costs, which are significantly higher for GTL fuels than for its crude- dervied counterparts. However, over the past decade, technological advances have been made that significantly reduce the cost of producing GTL fuels. As GTL production technology continues to improve and global energy demand continues to increase, GTL fuels will become increasingly cost competitive and will become more common in the marketplace." The full article is here: http://www.chevronwithtechron.com/pr...ech_Review.pdf So it gives the higher cetane number which is good (as mentioned before) but from what 5cylinders says it could be damaging the DPFs. Ah well just have to hope the DPF doesn't throw its legs in the air and give up regardless what fuel pump I use. I am now more confused than ever so better go and wash the car - it is Sunday after all!!!
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2009 XC70 Geartronic SE Lux (185HP at the moment......) Porsche sold looking for a P1800....... Last edited by GrantA; Jul 22nd, 2012 at 10:15. |
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