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Biodiesel?
Just got my D24t running with new timing belts, Bosch water pump, and new oil seals. Timing is set at .95 and it runs beautifully, even with the ancient diesel in the tank.
I'm about to fill it up and am undecided on using biodiesel, which is available commercially near me. I can buy B5/10/20. I know that the bio might loosen sediment in the lines which will ruin my fuel filter- thats not a big deal. I am, however, curious if there are any serious issues that could arise if I use B10 or B20 in this car. Experiences? |
#2
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Can't see a problem with that. Liek mentioned in another post, Biodiesel (even B100) should be a direct replacement for pump diesel.
Only things I would say to watch is: - Cleaning of the fuel system, which will block filters - carry a spare! - Pump seals (and any other old rubber components) may sstart leaking. I've been running Veg Oil for 8 months now, and I've never had a blocked filter (but did do a couple of regular changes at the start), but my pump seals have started leaking (from the top throttle spindle, and a bit lower down aswell). It's annoying but doesn't affect the running of the car. I have been trying to get hold of a pump to recon with Viton seals, but when they appear in UK in unknown condition they are £250!!
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1990 Volvo 765 D24Tic (factory UK spec Tic). Monark 273 nozzles 163bar, Ajusa MLS gasket, 16psi, Water Injection, 17" Titans with 25mm H&R spacers, running 85% WVO/SVO. http://i103.photobucket.com/albums/m...AG0269-sig.jpg |
#3
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Filled up with B10 yesterday. Seems to run just as good if not a little better. And oddly, the very small amount of smoke I got at full throttle is gone.
I'm carrying a spare fuel filter in the trunk and might eventually move up to b20. I'm planning on replacing the return lines soon and would like to use viton, anyone have a preferred source?
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1985 Volvo 740TD- 216k and a whole garage full of non-Volvo Diesel cars Visit my blog! |
#4
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I have had some bad luck with B100 ( long story) but I would have no problems running B20. I have ran B20 in my superduty when I have went on road trips.
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12mm pump heads, ARP stud kits and GTD nozzles available! http://d24t.com/showthread.php?t=1646 NA intake manifolds and 240 turbo pans for sale. Need d24 or d24t parts? PM me! Shipments done on fridays! 1982 242 D24+T/M46- Super pumped! Build thread: http://www.d24t.com/showthread.php?t=1545 1984 764 D24T/ZF build thread: http://www.d24t.com/showthread.php?t=1734 Diesel parts cars: 82 244,83 244, 84 244, 84 245, 85 745 |
#5
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You should only worried about clogging fliters when you run b100 or b50. Biodiesel is a slovent and cleans your whole motor internally. Diesel is very dirty and when you run biodiesel for the time fpr the first 1000 miles the dirty crap will start clogging the filter. You shouldnt have to change it for 5000 or more after that. Its always a good idea to have a spare .
Running B100 It takes more engery to burn biodiesel so it burns faster, you loose mpg, but not much. You need to turn up for fuel screw a bit til it smokes a decent amount full throttle. I would advise to turn it back down once you use regular diesel cause you would smoke alot. If you have an old injection pump your seal may start to leak after or two, may last longer. You can get the pump rebuilt with vition seals. Change out your return lines to vition also.
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84-264 D24 M46 135K 33MPG 84-D24T 84-764 D24T M46 86-245 B230 366K 83-244 Turbo B21FT M46 72-145 B20 M40 77-245 B21ft project 78-242 B21f BW55 97K 79-242GT B21F M46 165K Biodiesel Processor For Sale |
#6
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Quote:
As for seal kits, I keep one kit in stock all the time. Complete Bosch seal kits with the Viton seals as well as a Viton shaft seal. I also re seal the Bosch VE pumps found in the D24/D24T.
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Mike Rausch Newark/Bear, DE Selling NEW and USED Volvo parts! www.swedishbrickyard.com Email: mike@swedishbrickyard.com |
#7
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Quote from "keep glow plugs on for longer" thread:
Well I for one have had issues with Biodiesel NOT talking about WVO. I maintain a fleet of equipment and trucks for a small government agency. I did not have any issues with the biodiesel "killing" the engines as it ran just perfect as diesel would. We ran B99 from two different suppliers. The last supplier is a large company that is well known in the Puget sound area. The problems we ran into where that it would gel at mild temps. The company told us that the b99 was safe down to 20 degrees before it would start to gel. We ran B99 through spring and summer but when fall came around and one morning when it was about 31 degrees outside or so every diesel truck and piece of equipment in the fleet would not run. I looked in the tank of one of the dump trucks and it looked like butter. And to make matters worse the B99 did not blend well with regular diesel. I would think that all the problems have been worked out with biodiesel now. This had happened in 2007, that was the last time we ran biodiesel. V8volvo- You seem to be well informed on this biodiesel, so at what point does the B99 gel at? Was that bad chemistry for the B99 we had or was the guy that told us that it was safe to 20 degrees full of it?
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12mm pump heads, ARP stud kits and GTD nozzles available! http://d24t.com/showthread.php?t=1646 NA intake manifolds and 240 turbo pans for sale. Need d24 or d24t parts? PM me! Shipments done on fridays! 1982 242 D24+T/M46- Super pumped! Build thread: http://www.d24t.com/showthread.php?t=1545 1984 764 D24T/ZF build thread: http://www.d24t.com/showthread.php?t=1734 Diesel parts cars: 82 244,83 244, 84 244, 84 245, 85 745 |
#8
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Biodeisel Gel Point
The gel point of BD depends on the feed stocks that it is made from. If, like almost everybody else, the processor is using recycled fryer oil they can't make a blanket statement about gel point w/o testing each batch. Almost no BD feed stocks are good below freezing and some gel over 40 degrees. (but not many) Every batch is made from a grab bag of different stuff. That is why running B100 in winter is a bad idea unless you are prepared to deal with gelled fuel. As the amount of dino diesel goes up the gel point goes down, so B50 or B20 should be safe for winter in the Emerald City.
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