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#16
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I was just momentarily at 120.
I have been hesitant to try manual control of injection system I will work in that it does have an on off switch The real problem is I have $2000 in my car fund and I owe $4500 on this Mercedes and I am a food and luggage deliver driver for a job It is the catch 22. I can not get rid of this car and can not save money to get another car because I am spending money on this car and I am out of credit line. I am wondering if the problem with my grease system was one of the valves was letting veg in more than I thought Before it finally stopped working right because it was perfect for 4 years on grease |
#17
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__________________
"Senior Luna, your sense of humor is still loco... but we love it, anyway." -rickymay ____ "Your sense of humor is still loco... " -MBeige ____ "Señor Luna, your sense of humor is quite järjetön" -Delibes 1982 300SD -- 211k, Texas car, tranny issues ____ 1979 240D 4-speed 234k -- turbo and tuned IP, third world taxi hot rod 2 Samuel 12:13: "David said to Nathan, “I have sinned against the Lord.” And Nathan said to David, “The Lord also has put away your sin; you shall not die." |
#18
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Kent at MercSource swears by it for his MB diesels. I use it in my OM617.
__________________
'80 300SD - '83 240D - '00 E55 AMG - '02 G500 |
#19
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I had very good luck with Kreen. Used it on my 96 E300 with almost 300k miles and it cleaned out stuck ring and other junk inside.
__________________
06 MB E320 CDI 123k miles 14 Sienna (wife's DD) 36k miles 11 GL350 Bluetec 136k (Sold) 96 E300; 292k+ miles (Donated) 11 Sprinter 22K+ miles (Sold) |
#20
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Quote:
btw, didn't you advertise this car for sale a while ago? From your description and prior posts I would say that your car is suffering from terminal coking due to idling on VO. You could buy a W123, 124, or even a 210 for the price of new injectors on your CDI. Then make sure that your VO system heats the fuel to 200F on the injector lines so that the VO fuel will atomize and burn without coking. Idling for long periods is bad for diesels, worse for VO conversions. |
#21
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Wait - you were using a grease system on a CDI?
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#22
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"Well there's your problem"
http://youtu.be/LxhF7iBueeE But seriously check out this document from MB https://www.mbusa.com/vcm/MB/DigitalAssets/pdfmb/serviceandparts/biodiesel_Brochure5.pdf This is written for the "modern" engines but most of this applies to the 648.
__________________
The OM 642/722.9 powered family Still going strong 2014 ML350 Bluetec (wife's DD) 2013 E350 Bluetec (my DD) both my kids cars went to junkyard in 2023 2008 ML320 CDI (Older son’s DD) fatal transmission failure, water soaked/fried rear SAM, numerous other issues, just too far gone to save (165k miles) 2008 E320 Bluetec (Younger son's DD) injector failed open and diluted oil with diesel, spun main bearings (240k miles) 1998 E300DT sold to TimFreeh 1987 300TD sold to vstech |
#23
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If you want to use VO of any kind, stick with the older IDI engines (last of which was the OM606 in the 1999 E300, in USA anyway). Even on those you can still get some of the same problems. VO is best used in a disposable (cheap) car, or at least disposable engine. |
#24
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Biodiesel is very, very, different than straight vegetable oil. Completely different. I don't know how much stronger I can state that they are not the same or even close.
__________________
Greg 2012 S350 BlueTEC 4Matic 2007 ML 320 CDI 2007 Leisure Travel Serenity 2006 Sprinter 432k 2005 E320 CDI 1998 SLK230 (teal) 1998 SLK230 (silver) 1996 E300D 99k, 30k on WVO Previous: 1983 240D, on WVO 1982 300D, on WVO 1983 300CD, on WVO 1986 300SDL 237k, 25k on WVO (Deerslayer) 1991 350SDL 249k, 56k on WVO - Retired to a car spa in Phoenix 1983 380 SEC w/603 diesel, 8k on WVO 1996 E300D 351k, 177k on WVO |
#25
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Quote:
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#26
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Congrats, 4 years on grease in a CDI must be a record at this point it time. You probably got that far because you drive every day and refill the tank frequently. The problems you are now having most likely are due to sticky polymers starting to clog your HPOP, fuel rail, injectors, valves, rings, etc... also there are coking and corrosion deposits on and in the injector tips, valves, and the top compression rings on the pistons. It is my belief that your car is pretty much finished at this point. The money saved on fuel has to be weighed against the cost of replacing the car. If you get a cheap W123 next time, then you can drive more carefree. |
#27
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Since it seems anything goes at this point, how about that seafoam stuff?
Sixto 83 300SD |
#28
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Quote:
VO combines with heat & oxygen, especially in the presence of copper, brass, or steel to form polymers that are nearly impossible to dissolve in my experience (think sicky, gooey plastic). The longer a car runs VO, the greater the chance the polymers will accumulate. Running Diesel Kleen & MMO in the VO has helped me slow down this process. Amsoil in the crankcase helps prevent the stuck rings. Once the engine stops running, it's time to either tear it all down (including the entire fuel system) and mechanically clean everything, or replace everything, or replace the car. Either you pay up front, or you pay later. When diesel was $4+ a gallon it was tempting to go with VO to save money. Now that diesel is $1.68 it makes VO look very expensive when all the labor & costs are accounted for. |
#29
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I figure I have saved $15000 in fuel over the last four year just on this car. I am ahead of anything this nice and it still work. And it still works good. I spent $600 last month on fuel and oil think what I would have spent at $4 instead of $2. Last month was a busy month. Maybe not so much this month.
It is still a great car. I will tell you if it gets better( doubt it) or worse and how soon. |
#30
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In So Cal it's about $2.25, but for some reason up in Seattle where I am presently it's still around $3.00 a gallon for diesel EVERYWHERE, now I remember what I left that area, it's now more expensive to live there than in LA and the weather is worse than ever!! Sorry for the derail. I can also attest to the LM Motor Oil Saver stuff, it worked GREAT in an old Volvo 240 I had with a sticky ring. Just that and some of the cheapest Quaker State oil at short intervals for a while got that thing from blue smoke and 1qt every 500 miles to no smoke and 1qt every 2000 miles. YMMV |
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