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#16
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Biodiesel.
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'83 240D with 617.952 and 2.88 '01 VW Beetle TDI '05 Jeep Liberty CRD '89 Toyota 4x4, needs 2L-T '78 280Z with L28ET - 12.86@110 Oil Burner Kartel #35 http://i16.photobucket.com/albums/b1...oD/bioclip.jpg |
#17
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I think the reason MB doesn't recommend additives has to do with marketing and liability. They want you to think that no additives are necessary (because people generally don't like the idea of having to buy additives) and they don't want to be liable for any possible side effects of these additives. But my personal experience has been that diesel additives are very beneficial with the crappy diesel fuel that we have in this country. I'm sure others have had similar experiences. Plus, you can see improved wear numbers with certain additives or biodiesel if you look them up. The ASTM minimum lubricity of diesel fuel seems to be barely sufficient for the long-term health of injectors and pumps, plus our diesel fuel is frequently contaminated with water and has been notoriously low-cetane, though the cetane may be a little higher now with ULSD, but still probably not as high as it should be.
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2004 VW Jetta TDI (manual) Past MB's: '96 E300D, '83 240D, '82 300D, '87 300D, '87 420SEL |
#18
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Diesel Fuel Additive Label Scans
These label scans are getting some age on them, but maybe the formulas have not changed all that much since then. Ken300D
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-------------------------- 1982 300D at 351K miles 1984 300SD at 217K miles 1987 300D at 370K miles |
#19
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For the record, I don't recommend using additive on a regular basis - it's often a waste of $$$ once the fuel system is clean and working normally. For a 1-time strong cleaning get Lubra-Moly Diesel Purge (this doesn't go in the tank, though). For in-tank stuff, I like Red Line Diesel Fuel Catalyst, and maybe put a bottle in once per year for grins. The Power Service is nice because it's commonly available and cheap. Don't use ATF, motor oil, or any other backyard remedies.
Of course if you live in a very cold climate, regular use of anti-gel in winter months is a good idea...! ![]() |
#20
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You're right about the ATF, prolonged usage causes injector coking, but it's fine to use to refill your spin on fuel filter during fuel filter changes. Motor oil is fine, maybe once every few years. A quart of 10W30 to a full tank will increase combustion temps, and burn off more carbon during an Italian Tuneup. Like with ATF, prolonged usage isn't good.
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'81 MB 300SD, '82 MB 300D Turbo (sold/RIP), '04 Lincoln Town Car Ultimate Sooner or later every car falls apart, ours does it later! -German Narrator in a MB Promotion Film about the then brand new W123. |
#21
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For fuel-filter fillups, keep a can of Diesel Purge around... much better for the pump than ATF.
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#22
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That is an interesting comment. How sensitive are diesel engines to fuel quality, compared to gasoline engines? Certainly the octane level of RUG has greatly decreased (not to mention all of the anti-smog crap they blend in here in California). I can well imagine a compression-ignition engine being unhappy with fuel that wouldn't explode at the right time or burn completely. Was diesel fuel better (a) in the 1980s or (b) in Europe?
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![]() "Buster" in the '95 Our all-Diesel family 1996 E300D (W210) . .338,000 miles Wife's car 2005 E320 CDI . . 113,000 miles My car Santa Rosa population 176,762 (2022) Total. . . . . . . . . . . . 627,762 "Oh lord won't you buy me a Mercedes Benz." -- Janis Joplin, October 1, 1970 |
#23
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The main difference I've seen is with fuel economy, not general engine operation or power delivery. I almost always fill up at major truck stops, which have high turnover of fuel, usually meaning a better chance of getting fresh/clean diesel. I wouldn't consider the fuel 'crappy' in the USA in general.
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#24
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FPPF makes a great line of products. I happen to live in a high humidity climate and use at least a water dispersant every tank. Condensation happens and water is the enemy.
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1999 E300DT (131,800) 154,000 Black on Black ![]() 2006 CLK 500 coupe Capri Blue on Grey (zoom,zoom) ![]() 47,000mi 04 VW TDI Passat 80,000mi (Techno) How to eliminate oil dependency through market-driven approaches. “We could cut oil use in half by 2025, and by 2040, oil use could be zero,” The Sound of Diesel Speed Ode to MB |
#25
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Quote:
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RIP: 80 300SD RIP: 79 450SEL 2002 E430 4matic (212,000km) 2002 ML500 'sport' ![]() ____________________________ FACEBOOK: PANZER450 |
#26
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Some claim they use it for increased lubricity, but with our IPs, which are lubed with motor oil for the most part, that's not too much of a problem for us.
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'81 MB 300SD, '82 MB 300D Turbo (sold/RIP), '04 Lincoln Town Car Ultimate Sooner or later every car falls apart, ours does it later! -German Narrator in a MB Promotion Film about the then brand new W123. |
#27
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I have been using Star-Tron additive for some time now and the old girl
seems happy with it.
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xafman 1984 300TD 182,000 mi FOR SALE 1972 Chev Longhorn PU--restored 1994 Buick Roadmaster 7200 mi (actual) |
#28
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Most people use transmission fluid simply because it is easier to keep a new, sealed quart of it in the trunk than a quart of D2.
-Jim
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1995 S350D, Green with black leather interior. Bought January 2008 w/ 233,xxx miles. I did 22,000 miles during the first year of ownership. |
#29
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powerservice grey bottle or a low blend of biodiesel.
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Current: 05 E320 CDI 07 GL320 CDI 08 Sprinter 05 Dodge Cummins 01 Dodge Cummins Previous 2004 E55 AMG 2002 C32 AMG (#2) 1995 E300 1978 300D 1987 300D 2002 C32 AMG(blown motor :[ 1981 300SD 1983 300SD 1987 300SDL 2002 Jetta TDI 1996 S420 1995 S500 1993 190E 2.6 1992 190E 2.3 1985 190E 2.3 5-Speed |
#30
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lucas fuel treatment.
not diesel related, but one of my co-worker's ChevyVan with 350 V8 would only run on high-grade premium gasoline, would hesitate and knock on mid-grade but never at all drivable on a regular unleaded. about 4 years ago, i borrowed this van while i'm in the process of moving my stuff to a new apartment, and the gas price is not that high back then but this van is a gas-sucker and it's killing me as i was going back anfd forth. so to make the story short, i just filled this van with regular gas and a dose of lucas fuel treatment that i've been adding to my MB diesel. To my surprise, the engine runs so silky smooth just like a cadillac and told my friend about it. from that day forward, this van which used to be demanding for high-grade-expensive premium is only filled with regular unleaded and an additive of lucas fuel treatment without having any snaffus. works for v8 gasser and would definitely work fo 5 cyl. MB diesel.
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'85 300D Turbo - CA Version |
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