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#1
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Viscosity of Diesel Fuel
Anyone know what the actual viscosity should be?
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1996 E300 D 1992 300D 1990 Ford E-350 7.3 Diesel AKA "the Deep Fryer" |
#2
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Depends on the temperature, ULSD/LSD, batch quality, additives, and refinery that made it.
What are you specifically looking for? 2.2 to 5.3 cSt at 40*C is whats normal. At 210*F, the viscosity of diesel is about 1.3 cSt. At 0*F, it's about 28 cSt. (centistoke *cSt*- A unit of measure representing 1/100th of a stoke (S), which is the fundamental unit of kinematic viscosity.) Last edited by ForcedInduction; 04-11-2007 at 03:54 AM. |
#3
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really just trying to test true diesel against a wvo blend to see how close I can get them. Havent gotten my tools yet to measure viscosity yet, but just wanted an idea of what I am looking at.
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1996 E300 D 1992 300D 1990 Ford E-350 7.3 Diesel AKA "the Deep Fryer" |
#4
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Search the web for an MSDS on what you are looking for. It should be out there somewhere.
-Jim
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1995 S350D, Green with black leather interior. Bought January 2008 w/ 233,xxx miles. I did 22,000 miles during the first year of ownership. |
#5
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Currently driving a very clean 1985 300SD from the West Coast. |
#6
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Quote:
Yup..that corresponds to the information that I have. WVO needs to be heated to 180F to get near #2's viscosity. I'm going to try a heated fuel filter and injector line heaters to see various situations/blends and then the result. Mostly, I will be running Bio-D, but am planning to run a blend of WVO during the hot months.
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87 300SDL - 215K Miles !! 99 F-350CC Dually PSD - 190K 86 300SDL - 189K All on B-100 |
#7
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That is exactly what I was looking for. Thanks!
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1996 E300 D 1992 300D 1990 Ford E-350 7.3 Diesel AKA "the Deep Fryer" |
#8
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Quote:
That's the whole reason for blending.
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1984 300SD Turbo Diesel 150,000 miles OBK member #23 (\__/) (='.'=) This is Bunny. Copy and paste bunny into your (")_(") signature to help him gain world domination |
#9
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Quote:
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87 300SDL - 215K Miles !! 99 F-350CC Dually PSD - 190K 86 300SDL - 189K All on B-100 |
#10
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well that is my main reason for getting this information, so I can actually test my blend and see how it compares to true diesel.
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1996 E300 D 1992 300D 1990 Ford E-350 7.3 Diesel AKA "the Deep Fryer" |
#11
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Quote:
Heating the veggy is Less of an issue with the Bosch PES IP on the Mercedes.... These pumps will practically pump molasses if given the chance (Ask me how I know! ) The main issue is the fuel Viscosity at the Injector Nozzle inside the engine for atomisation.... This will be at whatever temp the cylinder-head is at, and no amount of Fatty's heaters will alter that. What they May do is thin the veggy temporaraly while on the way to the Injector. There May also be a 'Histerysis' effect on Viscosity however even after cooling which could work to advantage while using line-heaters...I need to confirm this hopefully later this year with access to proper test-facilities RUG blends are Much to be preferred to Nos.2 and veggy blends. Stick to Under 15% RUG whether you have line-heaters or not, and all should be well.... FWIW, Its NO good using fuel-Injectors that have done More than around 50-60K miles, You'll be really dissapointed after 500-800 miles when it refuses to start cleanly and smokes even when hot, as well as the economy dropping like a stone You'll also need a Timing Alteration for veggy/BioBlends. It has been determined by testing around 4 degrees Extra advance is a good setting
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http://i190.photobucket.com/albums/z...0TDnoplate.jpg Alastair AKA H.C.II South Wales, U.K. based member W123, 1985 300TD Wagon, 256K, -Most recent M.B. purchase, Cost-a-plenty, Gulps BioDiesel extravagantly, and I love it like an old dog. W114, 1975 280E Custard Yellow, -Great above decks needs chassis welding--Really will do it this year.... |
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