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  #1  
Old 07-08-2012, 09:19 AM
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Question What is a good WVO/RUG blend

As the title says, what do you all think is a good WVO/RUG blend ratio? One of the most common I have heard people tell me about is 4 gallons of WVO to 1 gallon of RUG (in other words 20% RUG). That sounds a little high to me.

The previous owner of the car used a 40% WVO to 60% D2 blend in a single tank and did not have any issues. Since it worked for him, I have been doing the same and have not had much issue either (just a few clogged filters from time to time). Anyway, I would like to start using a good blend with RUG to thin out the WVO in preparation for the coming cooler months, granted on the SW Washington coast it doesn't get colder than the upper 30's most of the time in winter. Also, I'm thinking if I use a good WVO/RUG blend, I might not need to buy some injection line heaters (aka. Fattywagon) after all.

Thanks in advance for any advice/experience.

Glenn
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Old 07-08-2012, 11:26 AM
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In the colder months, which I sort of miss right now in sunny SC ... LOL, I used 10-15% RUG with straight WVO. I use just a 30 plate HE and Elsbett injectors. NEVER an issue. The only thing I could determine by running RUG is that it made the grease much thinner and it would NEVER conjeal. I ran experiments with just WVO in a jar and 10% RUG in a jar and one got thick and gooey, and cloudy white and the 10% just sloshed around when you shook the jar. AND, no more Bar-B-Q odor when you ran 10%. Actually, it got odorless which my wife loved. Not sure why that happened. I guess it burned more completely.
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Old 07-08-2012, 11:52 PM
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Good info. I think it might be a good idea if I try a 10% RUG/WVO blend and see how it goes. I was going to go with the same WVO/D2 blend the PO did, but I have heard some not good things about blending WVO and D2
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2012 Mercedes ML350 Bluetec 45K (hers)
2002 VW Jetta TDI 199K (mine)
1998 Volvo S70 T5 Turbo 145K (kids)
1992 Ford F150 4WD 258K (wood getter)
1983 Mercedes 300D 337K (diesel commuter)
1965 Corvair Corsa 98K (fun car)
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Old 07-09-2012, 05:53 PM
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5% RUG is plenty to get WVO to be similar in viscosity to D2. In single digit temps in winter I would up it to 10-15%. Never went higher than that. (That was in the 83. I only run homemade BD in the CDI, so the 83 now gets the luxury of homemade BD as well).
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Old 07-13-2012, 04:38 AM
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It all depend on the car.
Here the E300TD is great on 20% dino. Work fine on 15% dino. Can run OK on 10 % dino.
The less dino the less power. Less then 10% the car doesn't like it at all as unmodified...

I had a previous one on 100% oil but it had a flat plate heat exchanger. It doesn't help the start but after 5 minute the car was running very well.
I couldn't put RUG with the FPHE as it was creating air lock with the RUG even at 5% as it was bubbling at 80 degres. Not good... Dino was OK in the winter.

Winter here I do 85 oil, 10 or a wee more dino and 5 rug to thin it.

I know some run the NA 606 engine on 100% no problem, somehow the 606 turbo is not that keen on 100%?

Its all trial and error and see what you and the engine like
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E300TD year 2000. RUSTY SOLD
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Second Merc died due to corrosion ( NOT rust) How can mercedes get away with that for so long?
Third lasted a month then went away...
Fourth now... Corroded too...
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