W80: keeping it mixed

leswhitt

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Thats interesting, I think bbjordan had similar results with wvo & wmo.
I'm gonna try to put some wvo in my routine.

I've done the same, my last batch had some WVO that I suspect was just new VO. I didn't see a change when fuging though, I ran it for 34 passes and didn't see an increase in my normal sludge. My "barrel" is a 275 gallon tote so I haven't been able to see the bottom and if anything weird formed, maybe in a couple more weeks when I clean it out (normally once every couple years)...
 

JPhauler87

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Passed the 400 gallon mark. Getting ready to start processing some of the nastier veg stuff I have outside. Should be interesting.

Starting was getting hard and power down a little so I ran 5gal of diesel with 32oz of Dieselkleen. Noticeably better in one day. Probably needs injectors too, $230 rebuilt from a dude on the Peachparts forum. Meh

Replaced a couple burnt out glow plugs. One was light brown with a ********* barnacle sticking off it. Other was just black. Will be interesting to see if that continues to happen once I switch over to wvo/rug blend in a few weeks. Figure I need to burn as much of the nastier stuff as I can while it's warm out.
 

JPhauler87

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Had brake issues and was out of motivation to keep up with it. Sold for what I got it for a few months ago. Diesel is so cheap right now and my truck gets 25-27mpg so was very hard to justify maintaining for savings.

I see sub $1k 4spd 240Ds around here on CL. Acid's build is inspiring. Will probably look to do snag one when diesel goes back up.

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shawn deere

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Hey guys, sorry to blow some dust off this thread
Anyone regret burning black diesel?
Im about half way through this thread and getting a filter setup started
Got a 7.3idi turbo to burn it
Thanks!
 

The FNG

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Yes and no. It is simpler but much much more costly. You can also run a PA Biodiesel pressure driven fuge with similar results for much less.


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bbjordan

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http://utahbiodieselsupply.com/centrifugewvo.php

Is that the holy grail of fuges?? Is it worth the price tag.......

The direct drive centrifuges are pretty nice. I wouldn't mind having one. :)
Holy grail of 'fuges... I don't know. Compare to:
http://pabiodieselsupply.com/shop/ultimate-force-centrifuge-c-170.html

Specifically, Ultimate Force Pressurized System w/ Heater

Is it worth it? It depends on how much fuel you burn.

I'm a cheap a$$, so I got a 65 GPH 'fuge. It has paid for itself after the first 2 barrels of oil I burned thru.
 

shawn deere

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Thanks guys!
Has anyone had long term ill effects on the engine from running wmo? I have read about cokeing and intend on blending 50-50 with diesel, might go to 25diesel 75wmo in the summer time
Anything else i should know?
 

A48WillyzGuy

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My experience has been that there's no real way around coking the injectors. It's going to happen sooner or later with alternative fueling.

I put water/**** on my truck to help clean them up. It obviously doesn't work as well as a DI engine would, but after a few reasonably hard pulls with the **** they usually run good as new. Sometimes they can be a little more stubborn to clean than other times though.
 

bbjordan

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I've noticed the injectors tend to coke up from running cold. So, I only run the WMO blend when the engine is fully warmed up. I like to use it for long highway trips. But even then the injectors tend to coke up. :( I think it is because the engine runs so damn cool. I even have a 203* thermostat in it. I'm talking about the 1st '97 in my sig. The WMO requires more advanced timing because it is slower burning, but you can't change the timing on the PowerStroke like you can the IDI. Maybe some day...

The engine runs so cool, I have taken the engine fan off. I even have the front grill mostly blocked off! I was expecting the engine to run hot because the temperature on the weekend here was above freezing. Nope, not the case! And that is running on D2! I don't run the WMO in the winter. I don't need those kind of problems in the winter.

That being said, my son is running my project truck which has a tank of WMO blend in it. He told me it runs great! He thinks it makes more power than the D2. I wasn't going to run the WMO in the winter, because that truck has a 6.0 electric fuel pump in it, but it seems to be handling it. :dunno

When the injectors do get coked up, I add a few litres of biodiesel to the D2 tank and run it hard/hot. That seems to work. Biodiesel is a fantastic cleaner!

I saw an earlier reference to me having problems with WVO sludge. It was not WVO sludge. The problem I ran into was polymerization of the biodiesel. Over time, when exposed to oxygen (air), the metal fuel tank acts as a catalyst to polymerize the RME (Rapeseed Methyl Ester) to make polyester. If you are going to use biodiesel, use it quickly. Store it in plastic barrels/containers, and try not to expose it to oxygen.

The WMO-WVO sludge is fairly well documented as mentioned in previous posts.

Happy motoring. :)
 

shawn deere

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Good info guys!! I read someone plumbed their fuel line through an unused transmission cooler in their radiator to warm the fuel up, might have to look into that also.
So bottom line, burning wmo is a pain, but still worth the hassle
 

JPhauler87

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My thread is back to life!

I am thinking I am going to grab this tomorrow. Looking forward to getting back to it after my ~2yr hiatus from alt fuels.

http://newhaven.craigslist.org/cto/5924072323.html

Fired up the fuge tonight, finding pressure is maxing out around 85psi with the valve closed and it drops as the oil warms a bit from running. Would peg 120+psi before with valve closed. No change with pump adjustment screw. 55gph PA unit.

Restriction somewhere?
Jets flowing too much?
Bronze bushings on bowl loose?

My suspicion is a restriction from the WVO/WMO blend that has sat in it for about a year. Tried to research a solvent that could break it down but it doesn't sound like such a product exists. I will disassemble the plumbing and inspect/clean and go from there. Hoping that's all it is, though these things are simple enough I doubt it can be anything too serious.
 

shawn deere

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Noice!
Maybe a shot of gas?
But then again sending straight gas through a fuge seems a bit unsettling... lol
 

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