I wanna hear from every chipper charlie to every debbie downer about the ups and downs of WVO in the 240D engine (which includes things like IP) on a two-tank conversion. I have not tested my oil for anything and gravity filter down to 5 microns.

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1983 240D 3.0T 4-speed manual, now sold

1989 Subaru GL Wagon 5-speed Touring Edition

Think this thread could be considered trolling?

Debbie Downer - I ruined a set of injectors by running on 100% WVO in 90F heat and then the fuel congealed in the IP causing me to strand the car at Santa Monica Beach Pier overnight. I got the car running the next day but man it nailed like crazy after that.

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1996 Dodge Ram 5.9L Cummins 12V 4(A) 4.10 - 163K - For Sale
1974 240D 3.0L 4(M) - 250K -OM617.910 + 300D FW + Rajay turbo power!
1977 6.9 3(A) - 84k

All depends on the way you Dry your oil, and prepare it for use as a motor-fuel...

All WVO contains Moisture, FFA and other nasties. Most nasties can be Filtered out by filtering to 1 micron...

However, FFA and Moisture Cannot.....

FFA = Free-Fatty-Acid. This is an acidic type of oil.....

FFA will turn Moisture Acidic.....

This will over time destroy the high-pressure pumping elements in the fuel pump...(Expensive to replace)

FFA Without Moisture is fairly innocuous...(Banning Moisture completely is nerly impossible due to tank condensation issues etc. Veggy-oil is mildly hygroscopic, meaning it likes to absorb a certain amount of water from the air......)

This is why its VERY important to Properly DRY the oil before it get anywhere near any car fuel-tank...

Providing the oil is prepared for motor use PROPERLY then there are no real issues. --Not even a twin-tank needed, providing winter-temps dont drop too much below 0 deg C-- IF the Engine and Injection-System is prepared properly, Unfortunately this Seldom done--

(A 'Twin-Tank' is good for 'feel-good' factor but if the oil is crap, then so is the life-expectancy of the fuel-system...)

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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....

Well, I won't be altering my injection system and it does drop rather far below 0 degrees centigrade here in Massachusetts some nights, so I think I will keep my twin-tanker. As for water, though, what is the best way to remove it?

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1983 240D 3.0T 4-speed manual, now sold

1989 Subaru GL Wagon 5-speed Touring Edition

Your going to kill your motor. Just run it on diesel, thats what it was designed for. I have seen to many old MB diesels ruined by people using WVO. In fact last month my buddy and I were trying to get a 1980 300TD with 200K running, the PO had run it on WVO and had ruined the motor. The compression was about 150-200PSI in all 5 cylinders, motor was toast..

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1979 280CE 225,200 miles
1985 300D Turbo 264,000 miles
1976 240D 190,000 miles
1973 450SEL 119,200 miles

GONE but not forgotten
1976 300D 195,300 miles
1983 300D Turbo 175,000 miles

How can you be sure that that WVO caused that low compression? How would it? And, although these engines were designed to run on mineral diesel, I'm sure you've heard, the original diesel engine designed by Rudolph Diesel ran on peanut oil. I'm just trying to get all the facts here.

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1983 240D 3.0T 4-speed manual, now sold

1989 Subaru GL Wagon 5-speed Touring Edition

The car was run on WVO for 1 year and then it started running really bad and then one day it wouldn't start. To be honest I have no proof that it was the WVO but why else would a perfectly good car loose all its compression in 1 year. The car only had 200K on it.

I assume it ruined the valve seals causing the low compression.

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1979 280CE 225,200 miles
1985 300D Turbo 264,000 miles
1976 240D 190,000 miles
1973 450SEL 119,200 miles

GONE but not forgotten
1976 300D 195,300 miles
1983 300D Turbo 175,000 miles

What about all those people with 30,000-50,000 miles logged on WVO? Maybe the previous owner didn't take the necessary actions to properly run the engine on WVO?

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1983 240D 3.0T 4-speed manual, now sold

1989 Subaru GL Wagon 5-speed Touring Edition

In general, with properly de-watered and de-contaminated WVO when used with a proper two-tank system, WVO will PROLONG the life of your engine. Cut corners on either and you will cut life from the engine. This is from over 30 years of WVO experience.

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Ron Schroeder
'85 300 Turbo Diesel 2 tank WVO
'83 300 Turbo Diesel 2 tank WVO
Some former WVO vehicles since ~1980:
'83 Mercedes 240D
'80 Audi 4000D
'83 ISUZU Pup
'70 SAAB 99 with Kubota diesel
'76 Honda Civic with Kubota diesel
'86 Golf
Several diesel generators
All with 2 tank WVO conversion
LI NY

Could you post a link to thread(s) that describes the proper de-watering and de-contaminating process? Or bump them to the top?
I envisioned running WVO when I got my 300SD, but just don't want to destroy such a fine vehicle. The parts car I have access to, became a parts car because of poorly treated WVO. (low compression and N/G IP)

So you think that a diesel engine designed by MB 50+ years later is exactly like the low output plant oil engine that Rudolf Diesel built? It was engineered to be run on diesel fuel! WVO was never intended to be run through these engines, they are very precise, and junky nasty fuel will only cause wear and damage. Why even bother with diesel so cheap now? Run it on what its meant to run on!

Its your $$ when you wreck your motor.

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-diesel is not just a fuel, its a way of life-
'82 300SD 320k -mine Parting out this summer. (OC-323,450)
'89 420SEL 146k - mine (OC-147,500)
'93 190D 2.2 - 207k - mine (OC-210,100)
'13 VW GolfWagon TDI 6Speed - 0k - wifes
'82 300SD 340k -dad's (OC-341,200)
'87 420SEL - 305k - dad's - (OC-309,400)
'83 300D 257k - brother's (OC-261,150)
'12 VW Jetta - 7k - Sisters

Alright, negative nancy, so is properly refined WVO still "junky nasty" fuel? And seeing as I don't have a secure income, mineral diesel is still expensive now and it's gonna shoot right back up to 5 bucks a gallon this summer. I also don't fancy to see what little money I have going into the pockets of those damn oil sheiks.

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1983 240D 3.0T 4-speed manual, now sold

1989 Subaru GL Wagon 5-speed Touring Edition

I burn it,no problems two years.Compression all in 400s with 305,000 miles.
However 2 tank,heaters,and 70% with diesel added.

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1983 300 SD strait exhaust,wrapped also,true cold air,monark injectors,no ALDA .15psi summer winter 18 psi

1999 S320 cold air intake,one muffler,Nitrous kit 125
shot ,ceramic brake pads,removed belly pan,hood slats,and modified grille for cooler air.
no kittens Denso plugs 170f thermostat,best time so far 14.5 in the 1/4. wrapped exhaust, Borla'muff
215 55 16 front tires The Runaway Files by Tennessee Nate

I've run three summers primarily 100% filtered to 1 micron WVO. No problems.

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Michael LaFleur

'05 E320 CDI - 86,000 miles
'86 300SDL - 360,000 miles
'85 300SD - 150,000 miles (sold)
'89 190D - 120,000 miles (sold)
'85 300SD - 317,000 miles (sold)
'98 ML320 - 270,000 miles (sold)
'75 300D - 170,000 miles (sold)
'83 Harley Davidson FLTC (Broken again) :-(
'61 Plymouth Valiant - 60k mikes
2004 Papillon (Oliver)
2005 Tzitzu (Griffon)
2009 Welsh Corgi (Buba)