I enjoy this site as you can get a cross section of answers: no all Dodge, Ford, Chevy or the highway.
on another forum I follow, diesel oil was the topic:
Question was: Is Mobil Delvac 1300 Super 15w40 good oil
most all that responded like Mobil Delvac 1300 oil
However,
one response said he used it because Shell Rotella stinks, he called Rotella, (Shell Rosmella).
Plus the word is that Shell is doing dealings with certain countries and areas of which the USA is not friends with... remember 9/11? I wish I still had the email that I received from an Exxon/Mobil rep. with the links to the articles.
I use Shell Rotella in my Dodge diesel truck and my farm tractor, I believe it is an excellent oil with the zinc additive.
Have any of your guys ever heard anything about Shell's dealing with countries the US is not friendly with? Also, I never had a problem with the smell of the oil, all oil has some odor, but it is not a bad odor.
Thanks for your reply,
It sure would take some heavy duty negitives on Shell Rotella for me to change oil brands.
Mobil 1300 Super is an outstanding oil. It produces steller UOA in all the diesels and it's trinuclear moly is probably the main reason.
I run this oil in my 6.0 psd up to about 7,000 miles with no consumption at all and the HEUI injectors stay as quite as when the oil was fresh and I still have all 8 original injectors.
On the other hand Rotella and Delo in my engine I noticed the oil level dropped on dip stick (probably due to oil shearing)and the injectors would start to get noisy at ~ 6k miles.
At 165k miles and running this oil my truck doesn't use any oil running the Mobil 1300 even when pulling.
As I posted on the same forum you are referring to, unless Delvac's additive package has changed it has always had the most robust additive package of all the dino based diesel oils.
All the big name oils are going to have the quality, and Rotella is no different. As far as where an oil came from (or who the company works for), it shouldn't have an effect on the quality of the oils you mentioned. That doesn't mean that it won't effect how some folks review it
A lot of these products are traded back and forth by intermediate Brokers, so just because Citgo or Shell may have alliances to places we don't like, doesn't mean that the dealer down the street, with the Red/White/Blue flags and such isn't getting something from one of those other companies put into their tanks.
Buy the Rotella, or whatever oil your Mfgr recommends, for the best price you can find, and don't worry about it
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Shell Oil is an international company and they (and all OTHER oil companies) certainly do business with all kind of different nations. They are a BUSINESS organization not a political one. In order to get away from doing business with folks in the petrochemical business who also do business with those nations means you stop driving. Where does the oil they refine to make the gasoline or diesel you burn come from? The answer is "you have NO IDEA"
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Rottela does have a distinctive smell(rosesmella) when it gets hot.
This is from years of operating heavy equipment.
Usalley it happens when the engine is over heated or some is spilled or leaked onto the exhaust manifold.
Any certified CJ-4 oil will be fine for today's diesel engines. IMO, Rotella is good oil even though it does look and smell a little funky. I prefer Delo just because it looks cleaner coming out of the jug, but I'm sure it's no better than Rotella or Delvac. I stick with the big 3 and usually buy what's on sale at the time. I think a lot of people get way too anal about oil and way too many people get sucked into the Amsoil hype.
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