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  #31  
Old 10-07-2009, 05:57 PM
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Quote:
Originally Posted by bmwpowere36m3 View Post
Delo oil is okay, better oil is Shell Rotella Synthetic T 5W-40, Rotella T Triple Protection 15W-40 (dino) or Mobil Delvac 1 5W-40 (Synthetic), Turbo Diesel Truck (newer version of Truck & SUV) 5W-40 (Synthetic), or Delvac 1300 15W-40 (dino).
Based upon what? new rotella formulations have come out recently and time will tell, but the shell oils have been quite plain for a long while now. The RTS 5w-40 is a stout oil that offers good results, but the additive chemistry just isnt to my liking overall with rotella.

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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  #32  
Old 10-07-2009, 08:22 PM
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Quote:
Originally Posted by JHZR2 View Post
Based upon what? new rotella formulations have come out recently and time will tell, but the shell oils have been quite plain for a long while now. The RTS 5w-40 is a stout oil that offers good results, but the additive chemistry just isnt to my liking overall with rotella.

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...
Based on UOA's, BITOG, and fellow enthusiasts. No doubt the newer formulations or API approvals are not as good for many users because of reduced ZDDP and detergent levels. I'll say that no matter the oil you run, the best thing regardless of brand is selecting the correct oil weight and service interval.

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.
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  #33  
Old 10-07-2009, 08:49 PM
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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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2004 SAAB 9-3 (62k)
1991 BMW 318i (153K)
1998 Chevrolet S-10 ZR2 (61K)
2008 VW Rabbit (40k)
2011 BMW 135i cv (8k)
Had:
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  #34  
Old 10-08-2009, 06:09 AM
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agfuel: What is happening in the car pictures?
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  #35  
Old 10-08-2009, 08:58 AM
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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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  #36  
Old 10-08-2009, 09:28 AM
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You guys would probably like the Delo 400 synthetic. Anyone tried it out yet?
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  #37  
Old 10-08-2009, 09:32 AM
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Quote:
Originally Posted by Agfuels View Post
The 300D is being fueled. For fuel burn data on cross country trips we use the small tank and digital scales. Fuel consumption is measured in "miles/pound" although some have suggested "miles/barrel." Its burn rate is about 5 miles/pound or slightly higher. It could be better, but I spend a lot of offroad time looking for wells.....and the people that are pumping them. And I usually have about 400 pounds of oil samples in the trunk.

We are also testing some tires, hence the logo. As this 124 is a "third world" version we can take it into some pretty rough places. We never got stuck with the tires as I recall. I remember pulling a jeep out of the mud with the car.

The truck is being topped off also only no scales are being used. The fuel burn for the truck is generally in the 4 miles/pound range.

My apologies to all. I just realized this thread was related to Chevron products and I'm using Mobile lubricants. And that includes transmissions, transfer cases, axles, wheel bearings, chassis lube and hydraulics. I'll delete the post.
Agfuels - I would like to know more about what you are talking about. Especially just what a third world w124 is. Do you have a link or more info? Thanks.
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  #38  
Old 10-08-2009, 09:51 AM
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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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Old 10-08-2009, 09:51 AM
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