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#31
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Quote:
Delvac 1300, which ive used, is another ordinary oil. D1 is a stout, robust performer, the best of the pack, and the oil to beat. In 617 engines, I found best MPGs with D1, worst with Delo 400. Everything else was inbetween. however, delo has friction modifiers, that dose of moly is nice. Delo is a good oil, and chevron evenhad a nice paper to the SAE showing delo 400 performance and economy versus D1 in a fleet of OTR trucks. I think it is from a number of years back, but delo has only improved. Rotella now has a 10w-40 blend which may be of interest. We will have to see what the add packs look like for the new rotella series. Id be buying delo 400, rotella syn, or Delvac 1 (aka M1 turbo diesel truck) as my oils of choice...
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Current Diesels: 1981 240D (73K) 1982 300CD (169k) 1985 190D (169k) 1991 350SD (113k) 1991 350SD (206k) 1991 300D (228k) 1993 300SD (291k) 1993 300D 2.5T (338k) 1996 Dodge Ram CTD (442k) 1996 Dodge Ram CTD (265k) Past Diesels: 1983 300D (228K) 1985 300D (233K) |
#32
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Some good reading : http://www.gress.org/Home/Cars/TrackTales/DIY/OilingSystem%20Improvements/Oil%20Debate/TDR55Myths.pdf http://www.turbodieselregister.com/tdrarticles/tdrarticle54_CJ4LubeOil.html http://www.turbodieselregister.com/tdrarticles/tdrarticle56_lubeoilspecs.html http://www.gress.org/Home/Cars/TrackTales/DIY/OilingSystem%20Improvements/Oil%20Debate/TDR65ZDDP.pdf *EDIT* Is M1 Turbo Diesel Truck really the same as Delvac 1, I had asked someone this before because on M1 site it shows different formulations. Delvac 1 used to be aka M1 Truck and SUV. However M1 Truck and SUV has been discontinued, replaced by M1 Turbo Diesel Truck. Last edited by bmwpowere36m3; 10-07-2009 at 08:34 PM. |
#33
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I am very well aware of everything put up on those pages. i still deny that rotella has been anything but an ordinary oil for years and years. And, the formulations cited on many of those pages are obsolete. Even within a certain API spec, formulations change. That said, the TDR analysis of rotella non-syn shows it to be quite ordinary, as mentioned. I definitely wouldnt say it is great based upon ZDDP, moly, TBN, etc.
RTS is different bcause of its XVHI basestock, but the adds are still not what I'd consider great. I also do not consider delvac 1300 the best. Looking at the big three conventional dino oils, my opinion still stands - delo is tops, IMO. D1 has not been M1 T&SUV for many years - 2004/5 maybe. No guarantees that TDT and D1 are identical, at one point they were, based upon the viscosities given on the PDS you linked to, I'd say not.
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Current Diesels: 1981 240D (73K) 1982 300CD (169k) 1985 190D (169k) 1991 350SD (113k) 1991 350SD (206k) 1991 300D (228k) 1993 300SD (291k) 1993 300D 2.5T (338k) 1996 Dodge Ram CTD (442k) 1996 Dodge Ram CTD (265k) Past Diesels: 1983 300D (228K) 1985 300D (233K) |
#34
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agfuel: What is happening in the car pictures?
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#35
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No need to delete unless OP asks for it. Since sadly Chevron has pulled out of India, I am stuck using Mobil Delvac MX as there is no other oil that I would use apart from Delo 400. We get Castrol Tection, Shell Rotella, Elf HDB and others but Delo 400 has given me best results in US and India with diesel and my motorbikes. I will continue using Delo 400 in US but in India looks like it will be Delvac MX for me.
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99 Gurkha with OM616 IDI turbo 2015 Gurkha with OM616 DI turbo 2014 Rexton W with OM612 VGT |
#36
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You guys would probably like the Delo 400 synthetic. Anyone tried it out yet?
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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 |
#37
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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 |
#38
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waaaay back in ...
way back in 81-82 i had a new Kenworth with a Cummins 400. i used delo 400 for a while but it started to burn a gallon with every oil change... about 10k miles.
i switched to another oil the company mechanic recommended and it quit burning oil. i sold it at 330k miles. i never used Delo again and in my new KW in 89 i used rotella with real good OA every time. in my SD i used Shell synthetic and it starts easily in the winter. i love oil threads....
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1985 300SD 1998 Jetta TDI Previous: lots of diesel VW's, MB's, KW's, Pete, Freightliner Walking isn't a lost art: one must, by some means, get to the garage. |
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