Where do you guys find Delvac 1 and what are you paying?

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1993 W124 300D 2.5L Turbo, OM602.962
2000 Chevrolet Cavalier, 2.4L DOHC
2002 Ford Explorer, 4.0L SOHC
2005 Toyota Prius, 1.5L

http://www.fuelly.com/sig-us/40601.png

I use shell Rotella synthetic 5w40 in my benz all year. Even though its not a "true synthetic" It is the best value for my 300k mile 25 year old daily driver. Its better than regular dino at least. I have thought about using the same oil that I put in my duramax and TDI beetle which is the valvoline 5w40 full synthetic blue extreme. It meets all major diesel engine requirements and is one of the only oils endorsed by cummins, catipillar, volvo, onan, detroit. The bottle says it meets a mercedes spec but i can't remember which one. I dunno what anyones thoughts are on that. It seems to be great oil as at 5000 miles it still comes out pretty clean and I can see no build up or varnishing inside the engine. It also got rid of the valve ticking on my buddies gas chev engine. Only problem is it can be hard to find!

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1987 300D 180k
1985 300SD 330k Helga
1992 300D Lola 269k- Sold
1986 325 coupe Bessie >300k Original engine(ODO Broke) sold
2006 2500HD Druamax Linda- Tows boat and looks pretty in garage thats about it

That's not what you want. You want your oil coming out full of ****, cause then you know it's cleaning. The amount of nastiness in the oil should not be dependent on the type/brand of oil. If it comes out clean, then that means it's not cleaning.

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

1989 Subaru GL Wagon 5-speed Touring Edition

How would you know this..........??

By clean i do not mean it looks like it did when u poured it out of the bottle. By clean I mean the lubrocity and viscosity has had very little breakdown. There is no sludge or sign of "penzoilitis" as i like to call it Yes i am well aware what the oil does to a motor and what it should look like if it is properly cleaning the engine components.

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1987 300D 180k
1985 300SD 330k Helga
1992 300D Lola 269k- Sold
1986 325 coupe Bessie >300k Original engine(ODO Broke) sold
2006 2500HD Druamax Linda- Tows boat and looks pretty in garage thats about it

If you are aware of what it should look like...........please tell us all.

Once it goes jet black on a diesel..........you're not going to see much.

Your oil analysis is unlikely to show a reduction in viscosity simply because the oil is carrying varnish or sludge. Additionally, anything of significant size is stopped by the filter.

I usually only buy Rotella, but . . . I only was able to find this:


Edit to add:
Most place that sell Mobil product should be able to order I'm told . . . or on-line like here, http://store.avlube.com/fonfacsizcol.html 4 gal case:

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82 240D Manual 277K and still rolling!
02 Volvo S60 AWD For Sale

Use any API CI or greater rated oil. Depending on how cold it gets where you are you could use 15W or less. http://www.aa1car.com/library/API_ratings.pdf

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92 300D 2.5L OM602 OBK #59

Delvac 1 or Delo Synthetic if you can find it.

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99 Gurkha with OM616 IDI turbo

2015 Gurkha with OM616 DI turbo

2014 Rexton W with OM612 VGT

Thats Delvac Super, a very good additive based mineral oil but thats for summers, its not Delvac 1.

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99 Gurkha with OM616 IDI turbo

2015 Gurkha with OM616 DI turbo

2014 Rexton W with OM612 VGT

I have found M1 5W40 (same oil) for $22/gallon at some walmarts (not most).

I thought M1 Truck and SUV was the same oil, not regular M1.

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99 Gurkha with OM616 IDI turbo

2015 Gurkha with OM616 DI turbo

2014 Rexton W with OM612 VGT

I believe that is correct . . . I assume that it is marketed to the trucking industry as Delvac 1 . . .

I also edited to add the Delvac 1 to my post above . . .

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82 240D Manual 277K and still rolling!
02 Volvo S60 AWD For Sale

That's the oil I'm talking about (it's the only 5W40 they sell except for the "ESP Formula M" for new diesels, but it's now called "turbo Diesel truck"). The 5W30 is now called "Truck and SUV," just to make it more confusing.

https://www.mobiloil.com/USA-English/MotorOil/Oils/Mobil_1_Turbo_Diesel_Truck_5W-40.aspx

OK. I'm raising the BS flag. 15W-40 has been around for ages and has successfully been used in many engines with out any issues. I agree that 5W-40 (a synthetic) is an improvement over 15W-40 due to the fact it is a synthetic or quazi-synthetic and it also has a lower pouring point (5W vs 15W). The fact remains if it gets that cold you must use a block heater that will keep the block and hence oil warm enough that it won't be an issue. If it's that cold glow plugs alone won't work. You guys split hairs over which brand to use. Then criticize them if they don't use your brand and these oil wars start use this, no use this... USE A PROPERLY RATED OIL FOR YOUR ENGINE. DIESEL ENGINES REQUIRE "C_" Rated OIL NOT "S_" Rated.
Thank you for allowing me to RANT.

15W has a pour point of Appox -30 deg C
5W has a pour point of Approx -45 deg C
Pour point: The pour point is the lowest temperature at which an oil will flow. This property is crucial for oils that must flow at low temperatures. A commonly used rule of thumb when selecting oils is to ensure that the pour point is at least 10°C (20°F) lower than the lowest anticipated ambient temperature.

http://www.engineersedge.com/lubrication/pour_point.htm

In short... 15W is good to about -20 Deg C or -4 deg F

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92 300D 2.5L OM602 OBK #59