Shell Rimula oil any good? - Dodge Cummins Diesel Forum
 
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post #1 of 6 (permalink) Old 05-22-2018, 10:15 PM Thread Starter
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Shell Rimula oil any good?

2017 5500, 13500 miles. Getting ready for 2nd oil change. I'm doing around 5-6k. I haul/deliver sheds. Loads can be on the heavy side plus lots of wind resistance. Good but if idle time when setting a shed. First oil change was Rotella 15w-40. Just wondering if anyone had anything to say about the Rimula Super 15w-40. Not going synthetic due to frequent oil changes although I like it more. I know everyone has their preferences. I can get the Rimula ($520)a little cheaper than Rotella or Delvac ($600 ish)


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post #2 of 6 (permalink) Old 05-23-2018, 01:06 AM
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Shell makes great products. If it carries CJ-4 or CK-4 and ,CES20081(86) then run it.

There is nothing wrong with running a conventional oil as opposed to a synthetic unless your climate dictates.

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post #3 of 6 (permalink) Old 05-23-2018, 11:32 AM
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My understanding is that 'Rimula' is just their overseas line but is similar in every other regard including names like T5, T6

P.S.
As an aside, I'm not crazy about changing your oil too often. I've read reports that changing it too often is almost as bad as not enough. I'm not buying that part but I don't think it's all that good for the engine

From what I read, the detergents, additives, etc, in new oil are rather harsh and the oil actually does a better job after most of the detergent additives have left the room.

I think following the Company's guidelines is a good place to start. If you wanna go just a little more often, good on you. But too much is too much, IMHO

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post #4 of 6 (permalink) Old 05-23-2018, 06:16 PM
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Quote:
Originally Posted by RammerJam View Post
My understanding is that 'Rimula' is just their overseas line but is similar in every other regard including names like T5, T6

P.S.
As an aside, I'm not crazy about changing your oil too often. I've read reports that changing it too often is almost as bad as not enough. I'm not buying that part but I don't think it's all that good for the engine

From what I read, the detergents, additives, etc, in new oil are rather harsh and the oil actually does a better job after most of the detergent additives have left the room.

I think following the Company's guidelines is a good place to start. If you wanna go just a little more often, good on you. But too much is too much, IMHO
Changing your oil too often is just a waste of money, but no way is it bad for an engine. I change mine every 7500 miles, which is about every six months, which just happens to be what ram recommends.

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post #5 of 6 (permalink) Old 05-28-2018, 07:42 AM
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Blackstone lab report is the answer. What was the question?????

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post #6 of 6 (permalink) Old 05-29-2018, 02:04 PM
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Quote:
Originally Posted by RammerJam View Post
P.S.
As an aside, I'm not crazy about changing your oil too often. I've read reports that changing it too often is almost as bad as not enough. I'm not buying that part but I don't think it's all that good for the engine

From what I read, the detergents, additives, etc, in new oil are rather harsh and the oil actually does a better job after most of the detergent additives have left the room.

I think following the Company's guidelines is a good place to start. If you wanna go just a little more often, good on you. But too much is too much, IMHO
You're on the right track. As motor oils are exposed to temperature and oxidization, there are molecules which form anti wear layers at various temperatures. These films are less active in new motor oil, where only some cultures of them exist. Essentially, wear is a parabolic curve.

https://www.sae.org/publications/tec.../2007-01-4133/

https://www.bobistheoilguy.com/used-...hat-is-normal/

Quote:
Originally Posted by Mmecsics View Post
Changing your oil too often is just a waste of money, but no way is it bad for an engine.
Changing oil too often is definitely a waste of money, however it appears that changing too often could actually incur excess wear of your engine's metal parts (which some might think is bad)

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